191962890

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 288

約数和(自身を含む): 640224000

約数和(自身を除く): 448261110

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 29, 30, 35, 38, 42, 45, 49, 57, 58, 63, 70, 79, 87, 90, 95, 98, 105, 114, 126, 133, 145, 147, 158, 171, 174, 190, 203, 210, 237, 245, 261, 266, 285, 290, 294, 315, 342, 395, 399, 406, 435, 441, 474, 490, 522, 551, 553, 570, 609, 630, 665, 711, 735, 790, 798, 855, 870, 882, 931, 1015, 1102, 1106, 1185, 1197, 1218, 1305, 1330, 1421, 1422, 1470, 1501, 1653, 1659, 1710, 1827, 1862, 1995, 2030, 2205, 2291, 2370, 2394, 2610, 2755, 2765, 2793, 2842, 3002, 3045, 3306, 3318, 3555, 3654, 3857, 3871, 3990, 4263, 4410, 4503, 4582, 4655, 4959, 4977, 5510, 5530, 5586, 5985, 6090, 6873, 7105, 7110, 7505, 7714, 7742, 8265, 8295, 8379, 8526, 9006, 9135, 9310, 9918, 9954, 10507, 11455, 11571, 11613, 11970, 12789, 13509, 13746, 13965, 14210, 15010, 16037, 16530, 16590, 16758, 18270, 19285, 19355, 20619, 21014, 21315, 22515, 22910, 23142, 23226, 24795, 24885, 25578, 26999, 27018, 27930, 31521, 32074, 34365, 34713, 34839, 38570, 38710, 41238, 41895, 42630, 43529, 45030, 48111, 49590, 49770, 52535, 53998, 57855, 58065, 63042, 63945, 67545, 68730, 69426, 69678, 73549, 80185, 80997, 83790, 87058, 94563, 96222, 103095, 105070, 112259, 115710, 116130, 127890, 130587, 134995, 135090, 144333, 147098, 157605, 160370, 161994, 173565, 174195, 189126, 206190, 217645, 220647, 224518, 240555, 242991, 261174, 269990, 288666, 304703, 315210, 336777, 347130, 348390, 367745, 391761, 404985, 435290, 441294, 472815, 481110, 485982, 561295, 609406, 652935, 661941, 673554, 721665, 735490, 783522, 809970, 914109, 945630, 1010331, 1103235, 1122590, 1214955, 1305870, 1323882, 1443330, 1523515, 1683885, 1828218, 1958805, 2020662, 2132921, 2206470, 2429910, 2742327, 3047030, 3309705, 3367770, 3917610, 4265842, 4570545, 5051655, 5484654, 6398763, 6619410, 9141090, 10103310, 10664605, 12797526, 13711635, 19196289, 21329210, 27423270, 31993815, 38392578, 63987630, 95981445, 191962890]

約数ペア:

[(1, 191962890), (2, 95981445), (3, 63987630), (5, 38392578), (6, 31993815), (7, 27423270), (9, 21329210), (10, 19196289), (14, 13711635), (15, 12797526), (18, 10664605), (19, 10103310), (21, 9141090), (29, 6619410), (30, 6398763), (35, 5484654), (38, 5051655), (42, 4570545), (45, 4265842), (49, 3917610), (57, 3367770), (58, 3309705), (63, 3047030), (70, 2742327), (79, 2429910), (87, 2206470), (90, 2132921), (95, 2020662), (98, 1958805), (105, 1828218), (114, 1683885), (126, 1523515), (133, 1443330), (145, 1323882), (147, 1305870), (158, 1214955), (171, 1122590), (174, 1103235), (190, 1010331), (203, 945630), (210, 914109), (237, 809970), (245, 783522), (261, 735490), (266, 721665), (285, 673554), (290, 661941), (294, 652935), (315, 609406), (342, 561295), (395, 485982), (399, 481110), (406, 472815), (435, 441294), (441, 435290), (474, 404985), (490, 391761), (522, 367745), (551, 348390), (553, 347130), (570, 336777), (609, 315210), (630, 304703), (665, 288666), (711, 269990), (735, 261174), (790, 242991), (798, 240555), (855, 224518), (870, 220647), (882, 217645), (931, 206190), (1015, 189126), (1102, 174195), (1106, 173565), (1185, 161994), (1197, 160370), (1218, 157605), (1305, 147098), (1330, 144333), (1421, 135090), (1422, 134995), (1470, 130587), (1501, 127890), (1653, 116130), (1659, 115710), (1710, 112259), (1827, 105070), (1862, 103095), (1995, 96222), (2030, 94563), (2205, 87058), (2291, 83790), (2370, 80997), (2394, 80185), (2610, 73549), (2755, 69678), (2765, 69426), (2793, 68730), (2842, 67545), (3002, 63945), (3045, 63042), (3306, 58065), (3318, 57855), (3555, 53998), (3654, 52535), (3857, 49770), (3871, 49590), (3990, 48111), (4263, 45030), (4410, 43529), (4503, 42630), (4582, 41895), (4655, 41238), (4959, 38710), (4977, 38570), (5510, 34839), (5530, 34713), (5586, 34365), (5985, 32074), (6090, 31521), (6873, 27930), (7105, 27018), (7110, 26999), (7505, 25578), (7714, 24885), (7742, 24795), (8265, 23226), (8295, 23142), (8379, 22910), (8526, 22515), (9006, 21315), (9135, 21014), (9310, 20619), (9918, 19355), (9954, 19285), (10507, 18270), (11455, 16758), (11571, 16590), (11613, 16530), (11970, 16037), (12789, 15010), (13509, 14210), (13746, 13965)]