85716980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{1181}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 190632960

約数和(自身を除く): 104915980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 191, 380, 382, 764, 955, 1181, 1910, 2362, 3629, 3820, 4724, 5905, 7258, 11810, 14516, 18145, 22439, 23620, 36290, 44878, 72580, 89756, 112195, 224390, 225571, 448780, 451142, 902284, 1127855, 2255710, 4285849, 4511420, 8571698, 17143396, 21429245, 42858490, 85716980]

約数ペア:

[(1, 85716980), (2, 42858490), (4, 21429245), (5, 17143396), (10, 8571698), (19, 4511420), (20, 4285849), (38, 2255710), (76, 1127855), (95, 902284), (190, 451142), (191, 448780), (380, 225571), (382, 224390), (764, 112195), (955, 89756), (1181, 72580), (1910, 44878), (2362, 36290), (3629, 23620), (3820, 22439), (4724, 18145), (5905, 14516), (7258, 11810)]