8709580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 20779920

約数和(自身を除く): 12070340

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 61, 110, 118, 121, 122, 220, 236, 242, 244, 295, 305, 484, 590, 605, 610, 649, 671, 1180, 1210, 1220, 1298, 1342, 2420, 2596, 2684, 3245, 3355, 3599, 6490, 6710, 7139, 7198, 7381, 12980, 13420, 14278, 14396, 14762, 17995, 28556, 29524, 35695, 35990, 36905, 39589, 71390, 71980, 73810, 79178, 142780, 147620, 158356, 197945, 395890, 435479, 791780, 870958, 1741916, 2177395, 4354790, 8709580]

約数ペア:

[(1, 8709580), (2, 4354790), (4, 2177395), (5, 1741916), (10, 870958), (11, 791780), (20, 435479), (22, 395890), (44, 197945), (55, 158356), (59, 147620), (61, 142780), (110, 79178), (118, 73810), (121, 71980), (122, 71390), (220, 39589), (236, 36905), (242, 35990), (244, 35695), (295, 29524), (305, 28556), (484, 17995), (590, 14762), (605, 14396), (610, 14278), (649, 13420), (671, 12980), (1180, 7381), (1210, 7198), (1220, 7139), (1298, 6710), (1342, 6490), (2420, 3599), (2596, 3355), (2684, 3245)]