31061380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:485

約数の個数: 96

約数和(自身を含む): 81672192

約数和(自身を除く): 50610812

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 31, 34, 35, 62, 68, 70, 85, 119, 124, 140, 155, 170, 217, 238, 310, 340, 421, 434, 476, 527, 595, 620, 842, 868, 1054, 1085, 1190, 1684, 2105, 2108, 2170, 2380, 2635, 2947, 3689, 4210, 4340, 5270, 5894, 7157, 7378, 8420, 10540, 11788, 13051, 14314, 14735, 14756, 18445, 26102, 28628, 29470, 35785, 36890, 50099, 52204, 58940, 65255, 71570, 73780, 91357, 100198, 130510, 143140, 182714, 200396, 221867, 250495, 261020, 365428, 443734, 456785, 500990, 887468, 913570, 1001980, 1109335, 1553069, 1827140, 2218670, 3106138, 4437340, 6212276, 7765345, 15530690, 31061380]

約数ペア:

[(1, 31061380), (2, 15530690), (4, 7765345), (5, 6212276), (7, 4437340), (10, 3106138), (14, 2218670), (17, 1827140), (20, 1553069), (28, 1109335), (31, 1001980), (34, 913570), (35, 887468), (62, 500990), (68, 456785), (70, 443734), (85, 365428), (119, 261020), (124, 250495), (140, 221867), (155, 200396), (170, 182714), (217, 143140), (238, 130510), (310, 100198), (340, 91357), (421, 73780), (434, 71570), (476, 65255), (527, 58940), (595, 52204), (620, 50099), (842, 36890), (868, 35785), (1054, 29470), (1085, 28628), (1190, 26102), (1684, 18445), (2105, 14756), (2108, 14735), (2170, 14314), (2380, 13051), (2635, 11788), (2947, 10540), (3689, 8420), (4210, 7378), (4340, 7157), (5270, 5894)]