257534670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{276919}}^1$

素因数の和:276960

約数の個数: 32

約数和(自身を含む): 638023680

約数和(自身を除く): 380489010

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 276919, 553838, 830757, 1384595, 1661514, 2769190, 4153785, 8307570, 8584489, 17168978, 25753467, 42922445, 51506934, 85844890, 128767335, 257534670]

約数ペア:

[(1, 257534670), (2, 128767335), (3, 85844890), (5, 51506934), (6, 42922445), (10, 25753467), (15, 17168978), (30, 8584489), (31, 8307570), (62, 4153785), (93, 2769190), (155, 1661514), (186, 1384595), (310, 830757), (465, 553838), (930, 276919)]