9509740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 20913984

約数和(自身を除く): 11404244

約数列:

[1, 2, 4, 5, 10, 20, 37, 71, 74, 142, 148, 181, 185, 284, 355, 362, 370, 710, 724, 740, 905, 1420, 1810, 2627, 3620, 5254, 6697, 10508, 12851, 13135, 13394, 25702, 26270, 26788, 33485, 51404, 52540, 64255, 66970, 128510, 133940, 257020, 475487, 950974, 1901948, 2377435, 4754870, 9509740]

約数ペア:

[(1, 9509740), (2, 4754870), (4, 2377435), (5, 1901948), (10, 950974), (20, 475487), (37, 257020), (71, 133940), (74, 128510), (142, 66970), (148, 64255), (181, 52540), (185, 51404), (284, 33485), (355, 26788), (362, 26270), (370, 25702), (710, 13394), (724, 13135), (740, 12851), (905, 10508), (1420, 6697), (1810, 5254), (2627, 3620)]