163860790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 325036800

約数和(自身を除く): 161176010

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 109, 170, 185, 218, 239, 370, 478, 545, 629, 1090, 1195, 1258, 1853, 2390, 3145, 3706, 4033, 4063, 6290, 8066, 8126, 8843, 9265, 17686, 18530, 20165, 20315, 26051, 40330, 40630, 44215, 52102, 68561, 88430, 130255, 137122, 150331, 260510, 300662, 342805, 442867, 685610, 751655, 885734, 963887, 1503310, 1927774, 2214335, 4428670, 4819435, 9638870, 16386079, 32772158, 81930395, 163860790]

約数ペア:

[(1, 163860790), (2, 81930395), (5, 32772158), (10, 16386079), (17, 9638870), (34, 4819435), (37, 4428670), (74, 2214335), (85, 1927774), (109, 1503310), (170, 963887), (185, 885734), (218, 751655), (239, 685610), (370, 442867), (478, 342805), (545, 300662), (629, 260510), (1090, 150331), (1195, 137122), (1258, 130255), (1853, 88430), (2390, 68561), (3145, 52102), (3706, 44215), (4033, 40630), (4063, 40330), (6290, 26051), (8066, 20315), (8126, 20165), (8843, 18530), (9265, 17686)]