7823860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 72

約数和(自身を含む): 18701928

約数和(自身を除く): 10878068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 61, 106, 110, 121, 122, 212, 220, 242, 244, 265, 305, 484, 530, 583, 605, 610, 671, 1060, 1166, 1210, 1220, 1342, 2332, 2420, 2684, 2915, 3233, 3355, 5830, 6413, 6466, 6710, 7381, 11660, 12826, 12932, 13420, 14762, 16165, 25652, 29524, 32065, 32330, 35563, 36905, 64130, 64660, 71126, 73810, 128260, 142252, 147620, 177815, 355630, 391193, 711260, 782386, 1564772, 1955965, 3911930, 7823860]

約数ペア:

[(1, 7823860), (2, 3911930), (4, 1955965), (5, 1564772), (10, 782386), (11, 711260), (20, 391193), (22, 355630), (44, 177815), (53, 147620), (55, 142252), (61, 128260), (106, 73810), (110, 71126), (121, 64660), (122, 64130), (212, 36905), (220, 35563), (242, 32330), (244, 32065), (265, 29524), (305, 25652), (484, 16165), (530, 14762), (583, 13420), (605, 12932), (610, 12826), (671, 11660), (1060, 7381), (1166, 6710), (1210, 6466), (1220, 6413), (1342, 5830), (2332, 3355), (2420, 3233), (2684, 2915)]