9989200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 27607608

約数和(自身を除く): 17618408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 80, 85, 100, 104, 113, 130, 136, 170, 200, 208, 221, 226, 260, 272, 325, 340, 400, 425, 442, 452, 520, 565, 650, 680, 850, 884, 904, 1040, 1105, 1130, 1300, 1360, 1469, 1700, 1768, 1808, 1921, 2210, 2260, 2600, 2825, 2938, 3400, 3536, 3842, 4420, 4520, 5200, 5525, 5650, 5876, 6800, 7345, 7684, 8840, 9040, 9605, 11050, 11300, 11752, 14690, 15368, 17680, 19210, 22100, 22600, 23504, 24973, 29380, 30736, 36725, 38420, 44200, 45200, 48025, 49946, 58760, 73450, 76840, 88400, 96050, 99892, 117520, 124865, 146900, 153680, 192100, 199784, 249730, 293800, 384200, 399568, 499460, 587600, 624325, 768400, 998920, 1248650, 1997840, 2497300, 4994600, 9989200]

約数ペア:

[(1, 9989200), (2, 4994600), (4, 2497300), (5, 1997840), (8, 1248650), (10, 998920), (13, 768400), (16, 624325), (17, 587600), (20, 499460), (25, 399568), (26, 384200), (34, 293800), (40, 249730), (50, 199784), (52, 192100), (65, 153680), (68, 146900), (80, 124865), (85, 117520), (100, 99892), (104, 96050), (113, 88400), (130, 76840), (136, 73450), (170, 58760), (200, 49946), (208, 48025), (221, 45200), (226, 44200), (260, 38420), (272, 36725), (325, 30736), (340, 29380), (400, 24973), (425, 23504), (442, 22600), (452, 22100), (520, 19210), (565, 17680), (650, 15368), (680, 14690), (850, 11752), (884, 11300), (904, 11050), (1040, 9605), (1105, 9040), (1130, 8840), (1300, 7684), (1360, 7345), (1469, 6800), (1700, 5876), (1768, 5650), (1808, 5525), (1921, 5200), (2210, 4520), (2260, 4420), (2600, 3842), (2825, 3536), (2938, 3400)]