642577450

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{3559}}^1$

素因数の和:3751

約数の個数: 48

約数和(自身を含む): 1255455360

約数和(自身を除く): 612877910

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 157, 230, 314, 575, 785, 1150, 1570, 3559, 3611, 3925, 7118, 7222, 7850, 17795, 18055, 35590, 36110, 81857, 88975, 90275, 163714, 177950, 180550, 409285, 558763, 818570, 1117526, 2046425, 2793815, 4092850, 5587630, 12851549, 13969075, 25703098, 27938150, 64257745, 128515490, 321288725, 642577450]

約数ペア:

[(1, 642577450), (2, 321288725), (5, 128515490), (10, 64257745), (23, 27938150), (25, 25703098), (46, 13969075), (50, 12851549), (115, 5587630), (157, 4092850), (230, 2793815), (314, 2046425), (575, 1117526), (785, 818570), (1150, 558763), (1570, 409285), (3559, 180550), (3611, 177950), (3925, 163714), (7118, 90275), (7222, 88975), (7850, 81857), (17795, 36110), (18055, 35590)]