640232830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{3271}}^1$

素因数の和:3361

約数の個数: 48

約数和(自身を含む): 1237640544

約数和(自身を除く): 597407714

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 185, 230, 370, 529, 851, 1058, 1702, 2645, 3271, 4255, 5290, 6542, 8510, 16355, 19573, 32710, 39146, 75233, 97865, 121027, 150466, 195730, 242054, 376165, 605135, 752330, 1210270, 1730359, 2783621, 3460718, 5567242, 8651795, 13918105, 17303590, 27836210, 64023283, 128046566, 320116415, 640232830]

約数ペア:

[(1, 640232830), (2, 320116415), (5, 128046566), (10, 64023283), (23, 27836210), (37, 17303590), (46, 13918105), (74, 8651795), (115, 5567242), (185, 3460718), (230, 2783621), (370, 1730359), (529, 1210270), (851, 752330), (1058, 605135), (1702, 376165), (2645, 242054), (3271, 195730), (4255, 150466), (5290, 121027), (6542, 97865), (8510, 75233), (16355, 39146), (19573, 32710)]