315037480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{21817}}^1$

素因数の和:21866

約数の個数: 48

約数和(自身を含む): 748139220

約数和(自身を除く): 433101740

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 7220, 14440, 21817, 43634, 87268, 109085, 174536, 218170, 414523, 436340, 829046, 872680, 1658092, 2072615, 3316184, 4145230, 7875937, 8290460, 15751874, 16580920, 31503748, 39379685, 63007496, 78759370, 157518740, 315037480]

約数ペア:

[(1, 315037480), (2, 157518740), (4, 78759370), (5, 63007496), (8, 39379685), (10, 31503748), (19, 16580920), (20, 15751874), (38, 8290460), (40, 7875937), (76, 4145230), (95, 3316184), (152, 2072615), (190, 1658092), (361, 872680), (380, 829046), (722, 436340), (760, 414523), (1444, 218170), (1805, 174536), (2888, 109085), (3610, 87268), (7220, 43634), (14440, 21817)]