157816660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{13397}}^1$

素因数の和:13456

約数の個数: 48

約数和(自身を含む): 360138240

約数和(自身を除く): 202321580

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 13397, 26794, 53588, 66985, 133970, 254543, 267940, 415307, 509086, 830614, 1018172, 1272715, 1661228, 2076535, 2545430, 4153070, 5090860, 7890833, 8306140, 15781666, 31563332, 39454165, 78908330, 157816660]

約数ペア:

[(1, 157816660), (2, 78908330), (4, 39454165), (5, 31563332), (10, 15781666), (19, 8306140), (20, 7890833), (31, 5090860), (38, 4153070), (62, 2545430), (76, 2076535), (95, 1661228), (124, 1272715), (155, 1018172), (190, 830614), (310, 509086), (380, 415307), (589, 267940), (620, 254543), (1178, 133970), (2356, 66985), (2945, 53588), (5890, 26794), (11780, 13397)]