7126280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:870

約数の個数: 64

約数和(自身を含む): 18938880

約数和(自身を除く): 11812600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 821, 868, 1085, 1240, 1642, 1736, 2170, 3284, 4105, 4340, 5747, 6568, 8210, 8680, 11494, 16420, 22988, 25451, 28735, 32840, 45976, 50902, 57470, 101804, 114940, 127255, 178157, 203608, 229880, 254510, 356314, 509020, 712628, 890785, 1018040, 1425256, 1781570, 3563140, 7126280]

約数ペア:

[(1, 7126280), (2, 3563140), (4, 1781570), (5, 1425256), (7, 1018040), (8, 890785), (10, 712628), (14, 509020), (20, 356314), (28, 254510), (31, 229880), (35, 203608), (40, 178157), (56, 127255), (62, 114940), (70, 101804), (124, 57470), (140, 50902), (155, 45976), (217, 32840), (248, 28735), (280, 25451), (310, 22988), (434, 16420), (620, 11494), (821, 8680), (868, 8210), (1085, 6568), (1240, 5747), (1642, 4340), (1736, 4105), (2170, 3284)]