490203420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1307}}^1$

素因数の和:1392

約数の個数: 192

約数和(自身を含む): 1687633920

約数和(自身を除く): 1197430500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 47, 57, 60, 70, 76, 84, 94, 95, 105, 114, 133, 140, 141, 188, 190, 210, 228, 235, 266, 282, 285, 329, 380, 399, 420, 470, 532, 564, 570, 658, 665, 705, 798, 893, 940, 987, 1140, 1307, 1316, 1330, 1410, 1596, 1645, 1786, 1974, 1995, 2614, 2660, 2679, 2820, 3290, 3572, 3921, 3948, 3990, 4465, 4935, 5228, 5358, 6251, 6535, 6580, 7842, 7980, 8930, 9149, 9870, 10716, 12502, 13070, 13395, 15684, 17860, 18298, 18753, 19605, 19740, 24833, 25004, 26140, 26790, 27447, 31255, 36596, 37506, 39210, 45745, 49666, 53580, 54894, 61429, 62510, 74499, 75012, 78420, 91490, 93765, 99332, 109788, 122858, 124165, 125020, 137235, 148998, 173831, 182980, 184287, 187530, 245716, 248330, 274470, 297996, 307145, 347662, 368574, 372495, 375060, 430003, 496660, 521493, 548940, 614290, 695324, 737148, 744990, 860006, 869155, 921435, 1042986, 1167151, 1228580, 1290009, 1489980, 1720012, 1738310, 1842870, 2085972, 2150015, 2334302, 2580018, 2607465, 3476620, 3501453, 3685740, 4300030, 4668604, 5160036, 5214930, 5835755, 6450045, 7002906, 8170057, 8600060, 10429860, 11671510, 12900090, 14005812, 16340114, 17507265, 23343020, 24510171, 25800180, 32680228, 35014530, 40850285, 49020342, 70029060, 81700570, 98040684, 122550855, 163401140, 245101710, 490203420]

約数ペア:

[(1, 490203420), (2, 245101710), (3, 163401140), (4, 122550855), (5, 98040684), (6, 81700570), (7, 70029060), (10, 49020342), (12, 40850285), (14, 35014530), (15, 32680228), (19, 25800180), (20, 24510171), (21, 23343020), (28, 17507265), (30, 16340114), (35, 14005812), (38, 12900090), (42, 11671510), (47, 10429860), (57, 8600060), (60, 8170057), (70, 7002906), (76, 6450045), (84, 5835755), (94, 5214930), (95, 5160036), (105, 4668604), (114, 4300030), (133, 3685740), (140, 3501453), (141, 3476620), (188, 2607465), (190, 2580018), (210, 2334302), (228, 2150015), (235, 2085972), (266, 1842870), (282, 1738310), (285, 1720012), (329, 1489980), (380, 1290009), (399, 1228580), (420, 1167151), (470, 1042986), (532, 921435), (564, 869155), (570, 860006), (658, 744990), (665, 737148), (705, 695324), (798, 614290), (893, 548940), (940, 521493), (987, 496660), (1140, 430003), (1307, 375060), (1316, 372495), (1330, 368574), (1410, 347662), (1596, 307145), (1645, 297996), (1786, 274470), (1974, 248330), (1995, 245716), (2614, 187530), (2660, 184287), (2679, 182980), (2820, 173831), (3290, 148998), (3572, 137235), (3921, 125020), (3948, 124165), (3990, 122858), (4465, 109788), (4935, 99332), (5228, 93765), (5358, 91490), (6251, 78420), (6535, 75012), (6580, 74499), (7842, 62510), (7980, 61429), (8930, 54894), (9149, 53580), (9870, 49666), (10716, 45745), (12502, 39210), (13070, 37506), (13395, 36596), (15684, 31255), (17860, 27447), (18298, 26790), (18753, 26140), (19605, 25004), (19740, 24833)]