2912357620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{247229}}^1$

素因数の和:247288

約数の個数: 48

約数和(自身を含む): 6645542400

約数和(自身を除く): 3733184780

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, 247229, 494458, 988916, 1236145, 2472290, 4697351, 4944580, 7664099, 9394702, 15328198, 18789404, 23486755, 30656396, 38320495, 46973510, 76640990, 93947020, 145617881, 153281980, 291235762, 582471524, 728089405, 1456178810, 2912357620]

約数ペア:

[(1, 2912357620), (2, 1456178810), (4, 728089405), (5, 582471524), (10, 291235762), (19, 153281980), (20, 145617881), (31, 93947020), (38, 76640990), (62, 46973510), (76, 38320495), (95, 30656396), (124, 23486755), (155, 18789404), (190, 15328198), (310, 9394702), (380, 7664099), (589, 4944580), (620, 4697351), (1178, 2472290), (2356, 1236145), (2945, 988916), (5890, 494458), (11780, 247229)]