2017427380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1\times {\mathrm{2039}}^1$

素因数の和:2920

約数の個数: 48

約数和(自身を含む): 4313473920

約数和(自身を除く): 2296046540

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 811, 1220, 1622, 2039, 3244, 4055, 4078, 8110, 8156, 10195, 16220, 20390, 40780, 49471, 98942, 124379, 197884, 247355, 248758, 494710, 497516, 621895, 989420, 1243790, 1653629, 2487580, 3307258, 6614516, 8268145, 16536290, 33072580, 100871369, 201742738, 403485476, 504356845, 1008713690, 2017427380]

約数ペア:

[(1, 2017427380), (2, 1008713690), (4, 504356845), (5, 403485476), (10, 201742738), (20, 100871369), (61, 33072580), (122, 16536290), (244, 8268145), (305, 6614516), (610, 3307258), (811, 2487580), (1220, 1653629), (1622, 1243790), (2039, 989420), (3244, 621895), (4055, 497516), (4078, 494710), (8110, 248758), (8156, 247355), (10195, 197884), (16220, 124379), (20390, 98942), (40780, 49471)]