289207880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1217}}^1$

素因数の和:1698

約数の個数: 64

約数和(自身を含む): 702883440

約数和(自身を除く): 413675560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 457, 520, 914, 1217, 1828, 2285, 2434, 3656, 4570, 4868, 5941, 6085, 9140, 9736, 11882, 12170, 15821, 18280, 23764, 24340, 29705, 31642, 47528, 48680, 59410, 63284, 79105, 118820, 126568, 158210, 237640, 316420, 556169, 632840, 1112338, 2224676, 2780845, 4449352, 5561690, 7230197, 11123380, 14460394, 22246760, 28920788, 36150985, 57841576, 72301970, 144603940, 289207880]

約数ペア:

[(1, 289207880), (2, 144603940), (4, 72301970), (5, 57841576), (8, 36150985), (10, 28920788), (13, 22246760), (20, 14460394), (26, 11123380), (40, 7230197), (52, 5561690), (65, 4449352), (104, 2780845), (130, 2224676), (260, 1112338), (457, 632840), (520, 556169), (914, 316420), (1217, 237640), (1828, 158210), (2285, 126568), (2434, 118820), (3656, 79105), (4570, 63284), (4868, 59410), (5941, 48680), (6085, 47528), (9140, 31642), (9736, 29705), (11882, 24340), (12170, 23764), (15821, 18280)]