12470990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:873

約数の個数: 48

約数和(自身を含む): 26987904

約数和(自身を除く): 14516914

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 310, 434, 490, 821, 1085, 1519, 1642, 2170, 3038, 4105, 5747, 7595, 8210, 11494, 15190, 25451, 28735, 40229, 50902, 57470, 80458, 127255, 178157, 201145, 254510, 356314, 402290, 890785, 1247099, 1781570, 2494198, 6235495, 12470990]

約数ペア:

[(1, 12470990), (2, 6235495), (5, 2494198), (7, 1781570), (10, 1247099), (14, 890785), (31, 402290), (35, 356314), (49, 254510), (62, 201145), (70, 178157), (98, 127255), (155, 80458), (217, 57470), (245, 50902), (310, 40229), (434, 28735), (490, 25451), (821, 15190), (1085, 11494), (1519, 8210), (1642, 7595), (2170, 5747), (3038, 4105)]