129398620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13451}}^1$

素因数の和:13510

約数の個数: 48

約数和(自身を含む): 300571488

約数和(自身を除く): 171172868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 13451, 26902, 53804, 67255, 134510, 174863, 269020, 349726, 497687, 699452, 874315, 995374, 1748630, 1990748, 2488435, 3497260, 4976870, 6469931, 9953740, 12939862, 25879724, 32349655, 64699310, 129398620]

約数ペア:

[(1, 129398620), (2, 64699310), (4, 32349655), (5, 25879724), (10, 12939862), (13, 9953740), (20, 6469931), (26, 4976870), (37, 3497260), (52, 2488435), (65, 1990748), (74, 1748630), (130, 995374), (148, 874315), (185, 699452), (260, 497687), (370, 349726), (481, 269020), (740, 174863), (962, 134510), (1924, 67255), (2405, 53804), (4810, 26902), (9620, 13451)]