156912740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{3137}}^1$

素因数の和:3248

約数の個数: 48

約数和(自身を含む): 343196784

約数和(自身を除く): 186284044

約数列:

[1, 2, 4, 5, 10, 20, 41, 61, 82, 122, 164, 205, 244, 305, 410, 610, 820, 1220, 2501, 3137, 5002, 6274, 10004, 12505, 12548, 15685, 25010, 31370, 50020, 62740, 128617, 191357, 257234, 382714, 514468, 643085, 765428, 956785, 1286170, 1913570, 2572340, 3827140, 7845637, 15691274, 31382548, 39228185, 78456370, 156912740]

約数ペア:

[(1, 156912740), (2, 78456370), (4, 39228185), (5, 31382548), (10, 15691274), (20, 7845637), (41, 3827140), (61, 2572340), (82, 1913570), (122, 1286170), (164, 956785), (205, 765428), (244, 643085), (305, 514468), (410, 382714), (610, 257234), (820, 191357), (1220, 128617), (2501, 62740), (3137, 50020), (5002, 31370), (6274, 25010), (10004, 15685), (12505, 12548)]