217909860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:175

約数の個数: 288

約数和(自身を含む): 772208640

約数和(自身を除く): 554298780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 47, 49, 57, 60, 70, 76, 83, 84, 94, 95, 98, 105, 114, 133, 140, 141, 147, 166, 188, 190, 196, 210, 228, 235, 245, 249, 266, 282, 285, 294, 329, 332, 380, 399, 415, 420, 470, 490, 498, 532, 564, 570, 581, 588, 658, 665, 705, 735, 798, 830, 893, 931, 940, 980, 987, 996, 1140, 1162, 1245, 1316, 1330, 1410, 1470, 1577, 1596, 1645, 1660, 1743, 1786, 1862, 1974, 1995, 2303, 2324, 2490, 2660, 2679, 2793, 2820, 2905, 2940, 3154, 3290, 3486, 3572, 3724, 3901, 3948, 3990, 4067, 4465, 4606, 4655, 4731, 4935, 4980, 5358, 5586, 5810, 6251, 6308, 6580, 6909, 6972, 7802, 7885, 7980, 8134, 8715, 8930, 9212, 9310, 9462, 9870, 10716, 11039, 11172, 11515, 11620, 11703, 12201, 12502, 13395, 13818, 13965, 15604, 15770, 16268, 17430, 17860, 18620, 18753, 18924, 19505, 19740, 20335, 22078, 23030, 23406, 23655, 24402, 25004, 26790, 27307, 27636, 27930, 31255, 31540, 33117, 34545, 34860, 37506, 39010, 40670, 43757, 44156, 46060, 46812, 47310, 48804, 53580, 54614, 55195, 55860, 58515, 61005, 62510, 66234, 69090, 74119, 75012, 77273, 78020, 81340, 81921, 87514, 93765, 94620, 109228, 110390, 117030, 122010, 125020, 131271, 132468, 136535, 138180, 148238, 154546, 163842, 165585, 175028, 187530, 191149, 218785, 220780, 222357, 231819, 234060, 244020, 262542, 273070, 296476, 309092, 327684, 331170, 370595, 375060, 382298, 386365, 409605, 437570, 444714, 463638, 518833, 525084, 546140, 573447, 656355, 662340, 741190, 764596, 772730, 819210, 875140, 889428, 927276, 955745, 1037666, 1111785, 1146894, 1159095, 1312710, 1482380, 1545460, 1556499, 1638420, 1911490, 2075332, 2223570, 2293788, 2318190, 2594165, 2625420, 2867235, 3112998, 3631831, 3822980, 4447140, 4636380, 5188330, 5734470, 6225996, 7263662, 7782495, 10376660, 10895493, 11468940, 14527324, 15564990, 18159155, 21790986, 31129980, 36318310, 43581972, 54477465, 72636620, 108954930, 217909860]

約数ペア:

[(1, 217909860), (2, 108954930), (3, 72636620), (4, 54477465), (5, 43581972), (6, 36318310), (7, 31129980), (10, 21790986), (12, 18159155), (14, 15564990), (15, 14527324), (19, 11468940), (20, 10895493), (21, 10376660), (28, 7782495), (30, 7263662), (35, 6225996), (38, 5734470), (42, 5188330), (47, 4636380), (49, 4447140), (57, 3822980), (60, 3631831), (70, 3112998), (76, 2867235), (83, 2625420), (84, 2594165), (94, 2318190), (95, 2293788), (98, 2223570), (105, 2075332), (114, 1911490), (133, 1638420), (140, 1556499), (141, 1545460), (147, 1482380), (166, 1312710), (188, 1159095), (190, 1146894), (196, 1111785), (210, 1037666), (228, 955745), (235, 927276), (245, 889428), (249, 875140), (266, 819210), (282, 772730), (285, 764596), (294, 741190), (329, 662340), (332, 656355), (380, 573447), (399, 546140), (415, 525084), (420, 518833), (470, 463638), (490, 444714), (498, 437570), (532, 409605), (564, 386365), (570, 382298), (581, 375060), (588, 370595), (658, 331170), (665, 327684), (705, 309092), (735, 296476), (798, 273070), (830, 262542), (893, 244020), (931, 234060), (940, 231819), (980, 222357), (987, 220780), (996, 218785), (1140, 191149), (1162, 187530), (1245, 175028), (1316, 165585), (1330, 163842), (1410, 154546), (1470, 148238), (1577, 138180), (1596, 136535), (1645, 132468), (1660, 131271), (1743, 125020), (1786, 122010), (1862, 117030), (1974, 110390), (1995, 109228), (2303, 94620), (2324, 93765), (2490, 87514), (2660, 81921), (2679, 81340), (2793, 78020), (2820, 77273), (2905, 75012), (2940, 74119), (3154, 69090), (3290, 66234), (3486, 62510), (3572, 61005), (3724, 58515), (3901, 55860), (3948, 55195), (3990, 54614), (4067, 53580), (4465, 48804), (4606, 47310), (4655, 46812), (4731, 46060), (4935, 44156), (4980, 43757), (5358, 40670), (5586, 39010), (5810, 37506), (6251, 34860), (6308, 34545), (6580, 33117), (6909, 31540), (6972, 31255), (7802, 27930), (7885, 27636), (7980, 27307), (8134, 26790), (8715, 25004), (8930, 24402), (9212, 23655), (9310, 23406), (9462, 23030), (9870, 22078), (10716, 20335), (11039, 19740), (11172, 19505), (11515, 18924), (11620, 18753), (11703, 18620), (12201, 17860), (12502, 17430), (13395, 16268), (13818, 15770), (13965, 15604)]