90936440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{324773}}^1$

素因数の和:324791

約数の個数: 32

約数和(自身を含む): 233837280

約数和(自身を除く): 142900840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 324773, 649546, 1299092, 1623865, 2273411, 2598184, 3247730, 4546822, 6495460, 9093644, 11367055, 12990920, 18187288, 22734110, 45468220, 90936440]

約数ペア:

[(1, 90936440), (2, 45468220), (4, 22734110), (5, 18187288), (7, 12990920), (8, 11367055), (10, 9093644), (14, 6495460), (20, 4546822), (28, 3247730), (35, 2598184), (40, 2273411), (56, 1623865), (70, 1299092), (140, 649546), (280, 324773)]