2100821330

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1\times {\mathrm{439}}^1$

素因数の和:879

約数の個数: 64

約数和(自身を含む): 4014489600

約数和(自身を除く): 1913668270

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 155, 215, 310, 359, 430, 439, 718, 878, 1333, 1795, 2195, 2666, 3590, 4390, 6665, 11129, 13330, 13609, 15437, 18877, 22258, 27218, 30874, 37754, 55645, 68045, 77185, 94385, 111290, 136090, 154370, 157601, 188770, 315202, 478547, 585187, 788005, 957094, 1170374, 1576010, 2392735, 2925935, 4785470, 4885631, 5851870, 6776843, 9771262, 13553686, 24428155, 33884215, 48856310, 67768430, 210082133, 420164266, 1050410665, 2100821330]

約数ペア:

[(1, 2100821330), (2, 1050410665), (5, 420164266), (10, 210082133), (31, 67768430), (43, 48856310), (62, 33884215), (86, 24428155), (155, 13553686), (215, 9771262), (310, 6776843), (359, 5851870), (430, 4885631), (439, 4785470), (718, 2925935), (878, 2392735), (1333, 1576010), (1795, 1170374), (2195, 957094), (2666, 788005), (3590, 585187), (4390, 478547), (6665, 315202), (11129, 188770), (13330, 157601), (13609, 154370), (15437, 136090), (18877, 111290), (22258, 94385), (27218, 77185), (30874, 68045), (37754, 55645)]