1397110480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{563351}}^1$

素因数の和:563395

約数の個数: 40

約数和(自身を含む): 3353071104

約数和(自身を除く): 1955960624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 563351, 1126702, 2253404, 2816755, 4506808, 5633510, 9013616, 11267020, 17463881, 22534040, 34927762, 45068080, 69855524, 87319405, 139711048, 174638810, 279422096, 349277620, 698555240, 1397110480]

約数ペア:

[(1, 1397110480), (2, 698555240), (4, 349277620), (5, 279422096), (8, 174638810), (10, 139711048), (16, 87319405), (20, 69855524), (31, 45068080), (40, 34927762), (62, 22534040), (80, 17463881), (124, 11267020), (155, 9013616), (248, 5633510), (310, 4506808), (496, 2816755), (620, 2253404), (1240, 1126702), (2480, 563351)]