7621850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 15266880

約数和(自身を除く): 7645030

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 71, 95, 113, 142, 190, 226, 355, 475, 565, 710, 950, 1130, 1349, 1775, 2147, 2698, 2825, 3550, 4294, 5650, 6745, 8023, 10735, 13490, 16046, 21470, 33725, 40115, 53675, 67450, 80230, 107350, 152437, 200575, 304874, 401150, 762185, 1524370, 3810925, 7621850]

約数ペア:

[(1, 7621850), (2, 3810925), (5, 1524370), (10, 762185), (19, 401150), (25, 304874), (38, 200575), (50, 152437), (71, 107350), (95, 80230), (113, 67450), (142, 53675), (190, 40115), (226, 33725), (355, 21470), (475, 16046), (565, 13490), (710, 10735), (950, 8023), (1130, 6745), (1349, 5650), (1775, 4294), (2147, 3550), (2698, 2825)]