685121240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1\times {\mathrm{1151}}^1$

素因数の和:1832

約数の個数: 64

約数和(自身を含む): 1612431360

約数和(自身を除く): 927310120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 647, 920, 1151, 1294, 2302, 2588, 3235, 4604, 5176, 5755, 6470, 9208, 11510, 12940, 14881, 23020, 25880, 26473, 29762, 46040, 52946, 59524, 74405, 105892, 119048, 132365, 148810, 211784, 264730, 297620, 529460, 595240, 744697, 1058920, 1489394, 2978788, 3723485, 5957576, 7446970, 14893940, 17128031, 29787880, 34256062, 68512124, 85640155, 137024248, 171280310, 342560620, 685121240]

約数ペア:

[(1, 685121240), (2, 342560620), (4, 171280310), (5, 137024248), (8, 85640155), (10, 68512124), (20, 34256062), (23, 29787880), (40, 17128031), (46, 14893940), (92, 7446970), (115, 5957576), (184, 3723485), (230, 2978788), (460, 1489394), (647, 1058920), (920, 744697), (1151, 595240), (1294, 529460), (2302, 297620), (2588, 264730), (3235, 211784), (4604, 148810), (5176, 132365), (5755, 119048), (6470, 105892), (9208, 74405), (11510, 59524), (12940, 52946), (14881, 46040), (23020, 29762), (25880, 26473)]