7290280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:250

約数の個数: 64

約数和(自身を含む): 17729280

約数和(自身を除く): 10439000

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 71, 85, 136, 142, 151, 170, 284, 302, 340, 355, 568, 604, 680, 710, 755, 1207, 1208, 1420, 1510, 2414, 2567, 2840, 3020, 4828, 5134, 6035, 6040, 9656, 10268, 10721, 12070, 12835, 20536, 21442, 24140, 25670, 42884, 48280, 51340, 53605, 85768, 102680, 107210, 182257, 214420, 364514, 428840, 729028, 911285, 1458056, 1822570, 3645140, 7290280]

約数ペア:

[(1, 7290280), (2, 3645140), (4, 1822570), (5, 1458056), (8, 911285), (10, 729028), (17, 428840), (20, 364514), (34, 214420), (40, 182257), (68, 107210), (71, 102680), (85, 85768), (136, 53605), (142, 51340), (151, 48280), (170, 42884), (284, 25670), (302, 24140), (340, 21442), (355, 20536), (568, 12835), (604, 12070), (680, 10721), (710, 10268), (755, 9656), (1207, 6040), (1208, 6035), (1420, 5134), (1510, 4828), (2414, 3020), (2567, 2840)]