278327530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{14369}}^1$

素因数の和:14538

約数の個数: 32

約数和(自身を含む): 543186000

約数和(自身を除く): 264858470

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1937, 3874, 9685, 14369, 19370, 28738, 71845, 143690, 186797, 373594, 933985, 1867970, 2140981, 4281962, 10704905, 21409810, 27832753, 55665506, 139163765, 278327530]

約数ペア:

[(1, 278327530), (2, 139163765), (5, 55665506), (10, 27832753), (13, 21409810), (26, 10704905), (65, 4281962), (130, 2140981), (149, 1867970), (298, 933985), (745, 373594), (1490, 186797), (1937, 143690), (3874, 71845), (9685, 28738), (14369, 19370)]