9507980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 21288960

約数和(自身を除く): 11780980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 191, 262, 380, 382, 524, 655, 764, 955, 1310, 1910, 2489, 2620, 3629, 3820, 4978, 7258, 9956, 12445, 14516, 18145, 24890, 25021, 36290, 49780, 50042, 72580, 100084, 125105, 250210, 475399, 500420, 950798, 1901596, 2376995, 4753990, 9507980]

約数ペア:

[(1, 9507980), (2, 4753990), (4, 2376995), (5, 1901596), (10, 950798), (19, 500420), (20, 475399), (38, 250210), (76, 125105), (95, 100084), (131, 72580), (190, 50042), (191, 49780), (262, 36290), (380, 25021), (382, 24890), (524, 18145), (655, 14516), (764, 12445), (955, 9956), (1310, 7258), (1910, 4978), (2489, 3820), (2620, 3629)]