90389000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:460

約数の個数: 128

約数和(自身を含む): 241768800

約数和(自身を除く): 151379800

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 85, 100, 104, 125, 130, 136, 170, 200, 221, 250, 260, 325, 340, 409, 425, 442, 500, 520, 650, 680, 818, 850, 884, 1000, 1105, 1300, 1625, 1636, 1700, 1768, 2045, 2125, 2210, 2600, 3250, 3272, 3400, 4090, 4250, 4420, 5317, 5525, 6500, 6953, 8180, 8500, 8840, 10225, 10634, 11050, 13000, 13906, 16360, 17000, 20450, 21268, 22100, 26585, 27625, 27812, 34765, 40900, 42536, 44200, 51125, 53170, 55250, 55624, 69530, 81800, 90389, 102250, 106340, 110500, 132925, 139060, 173825, 180778, 204500, 212680, 221000, 265850, 278120, 347650, 361556, 409000, 451945, 531700, 664625, 695300, 723112, 869125, 903890, 1063400, 1329250, 1390600, 1738250, 1807780, 2259725, 2658500, 3476500, 3615560, 4519450, 5317000, 6953000, 9038900, 11298625, 18077800, 22597250, 45194500, 90389000]

約数ペア:

[(1, 90389000), (2, 45194500), (4, 22597250), (5, 18077800), (8, 11298625), (10, 9038900), (13, 6953000), (17, 5317000), (20, 4519450), (25, 3615560), (26, 3476500), (34, 2658500), (40, 2259725), (50, 1807780), (52, 1738250), (65, 1390600), (68, 1329250), (85, 1063400), (100, 903890), (104, 869125), (125, 723112), (130, 695300), (136, 664625), (170, 531700), (200, 451945), (221, 409000), (250, 361556), (260, 347650), (325, 278120), (340, 265850), (409, 221000), (425, 212680), (442, 204500), (500, 180778), (520, 173825), (650, 139060), (680, 132925), (818, 110500), (850, 106340), (884, 102250), (1000, 90389), (1105, 81800), (1300, 69530), (1625, 55624), (1636, 55250), (1700, 53170), (1768, 51125), (2045, 44200), (2125, 42536), (2210, 40900), (2600, 34765), (3250, 27812), (3272, 27625), (3400, 26585), (4090, 22100), (4250, 21268), (4420, 20450), (5317, 17000), (5525, 16360), (6500, 13906), (6953, 13000), (8180, 11050), (8500, 10634), (8840, 10225)]