143745890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{3319}}^1$

素因数の和:3458

約数の個数: 32

約数和(自身を含む): 266768640

約数和(自身を除く): 123022750

約数列:

[1, 2, 5, 10, 61, 71, 122, 142, 305, 355, 610, 710, 3319, 4331, 6638, 8662, 16595, 21655, 33190, 43310, 202459, 235649, 404918, 471298, 1012295, 1178245, 2024590, 2356490, 14374589, 28749178, 71872945, 143745890]

約数ペア:

[(1, 143745890), (2, 71872945), (5, 28749178), (10, 14374589), (61, 2356490), (71, 2024590), (122, 1178245), (142, 1012295), (305, 471298), (355, 404918), (610, 235649), (710, 202459), (3319, 43310), (4331, 33190), (6638, 21655), (8662, 16595)]