264969740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{7919}}^1$

素因数の和:8174

約数の個数: 48

約数和(自身を含む): 638668800

約数和(自身を除く): 373699060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1673, 2390, 3346, 4780, 6692, 7919, 8365, 15838, 16730, 31676, 33460, 39595, 55433, 79190, 110866, 158380, 221732, 277165, 554330, 1108660, 1892641, 3785282, 7570564, 9463205, 13248487, 18926410, 26496974, 37852820, 52993948, 66242435, 132484870, 264969740]

約数ペア:

[(1, 264969740), (2, 132484870), (4, 66242435), (5, 52993948), (7, 37852820), (10, 26496974), (14, 18926410), (20, 13248487), (28, 9463205), (35, 7570564), (70, 3785282), (140, 1892641), (239, 1108660), (478, 554330), (956, 277165), (1195, 221732), (1673, 158380), (2390, 110866), (3346, 79190), (4780, 55433), (6692, 39595), (7919, 33460), (8365, 31676), (15838, 16730)]