90314380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{4397}}^1$

素因数の和:4498

約数の個数: 48

約数和(自身を含む): 206881920

約数和(自身を除く): 116567540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 4397, 5135, 8794, 10270, 17588, 20540, 21985, 43970, 57161, 87940, 114322, 228644, 285805, 347363, 571610, 694726, 1143220, 1389452, 1736815, 3473630, 4515719, 6947260, 9031438, 18062876, 22578595, 45157190, 90314380]

約数ペア:

[(1, 90314380), (2, 45157190), (4, 22578595), (5, 18062876), (10, 9031438), (13, 6947260), (20, 4515719), (26, 3473630), (52, 1736815), (65, 1389452), (79, 1143220), (130, 694726), (158, 571610), (260, 347363), (316, 285805), (395, 228644), (790, 114322), (1027, 87940), (1580, 57161), (2054, 43970), (4108, 21985), (4397, 20540), (5135, 17588), (8794, 10270)]