289120880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1597}}^1$

素因数の和:1714

約数の個数: 80

約数和(自身を含む): 703835904

約数和(自身を除く): 414715024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 73, 80, 124, 146, 155, 248, 292, 310, 365, 496, 584, 620, 730, 1168, 1240, 1460, 1597, 2263, 2480, 2920, 3194, 4526, 5840, 6388, 7985, 9052, 11315, 12776, 15970, 18104, 22630, 25552, 31940, 36208, 45260, 49507, 63880, 90520, 99014, 116581, 127760, 181040, 198028, 233162, 247535, 396056, 466324, 495070, 582905, 792112, 932648, 990140, 1165810, 1865296, 1980280, 2331620, 3614011, 3960560, 4663240, 7228022, 9326480, 14456044, 18070055, 28912088, 36140110, 57824176, 72280220, 144560440, 289120880]

約数ペア:

[(1, 289120880), (2, 144560440), (4, 72280220), (5, 57824176), (8, 36140110), (10, 28912088), (16, 18070055), (20, 14456044), (31, 9326480), (40, 7228022), (62, 4663240), (73, 3960560), (80, 3614011), (124, 2331620), (146, 1980280), (155, 1865296), (248, 1165810), (292, 990140), (310, 932648), (365, 792112), (496, 582905), (584, 495070), (620, 466324), (730, 396056), (1168, 247535), (1240, 233162), (1460, 198028), (1597, 181040), (2263, 127760), (2480, 116581), (2920, 99014), (3194, 90520), (4526, 63880), (5840, 49507), (6388, 45260), (7985, 36208), (9052, 31940), (11315, 25552), (12776, 22630), (15970, 18104)]