79787080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{379}}^1$

素因数の和:686

約数の個数: 64

約数和(自身を含む): 190152000

約数和(自身を除く): 110364920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 277, 379, 380, 554, 758, 760, 1108, 1385, 1516, 1895, 2216, 2770, 3032, 3790, 5263, 5540, 7201, 7580, 10526, 11080, 14402, 15160, 21052, 26315, 28804, 36005, 42104, 52630, 57608, 72010, 104983, 105260, 144020, 209966, 210520, 288040, 419932, 524915, 839864, 1049830, 1994677, 2099660, 3989354, 4199320, 7978708, 9973385, 15957416, 19946770, 39893540, 79787080]

約数ペア:

[(1, 79787080), (2, 39893540), (4, 19946770), (5, 15957416), (8, 9973385), (10, 7978708), (19, 4199320), (20, 3989354), (38, 2099660), (40, 1994677), (76, 1049830), (95, 839864), (152, 524915), (190, 419932), (277, 288040), (379, 210520), (380, 209966), (554, 144020), (758, 105260), (760, 104983), (1108, 72010), (1385, 57608), (1516, 52630), (1895, 42104), (2216, 36005), (2770, 28804), (3032, 26315), (3790, 21052), (5263, 15160), (5540, 14402), (7201, 11080), (7580, 10526)]