788596840

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1\times {\mathrm{691}}^1$

素因数の和:1082

約数の個数: 64

約数和(自身を含む): 1800639360

約数和(自身を除く): 1012042520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 277, 412, 515, 554, 691, 824, 1030, 1108, 1382, 1385, 2060, 2216, 2764, 2770, 3455, 4120, 5528, 5540, 6910, 11080, 13820, 27640, 28531, 57062, 71173, 114124, 142346, 142655, 191407, 228248, 284692, 285310, 355865, 382814, 569384, 570620, 711730, 765628, 957035, 1141240, 1423460, 1531256, 1914070, 2846920, 3828140, 7656280, 19714921, 39429842, 78859684, 98574605, 157719368, 197149210, 394298420, 788596840]

約数ペア:

[(1, 788596840), (2, 394298420), (4, 197149210), (5, 157719368), (8, 98574605), (10, 78859684), (20, 39429842), (40, 19714921), (103, 7656280), (206, 3828140), (277, 2846920), (412, 1914070), (515, 1531256), (554, 1423460), (691, 1141240), (824, 957035), (1030, 765628), (1108, 711730), (1382, 570620), (1385, 569384), (2060, 382814), (2216, 355865), (2764, 285310), (2770, 284692), (3455, 228248), (4120, 191407), (5528, 142655), (5540, 142346), (6910, 114124), (11080, 71173), (13820, 57062), (27640, 28531)]