2521783940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{421703}}^1$

素因数の和:421748

約数の個数: 48

約数和(自身を含む): 5951086848

約数和(自身を除く): 3429302908

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 421703, 843406, 1686812, 2108515, 4217030, 5482139, 8434060, 9699169, 10964278, 19398338, 21928556, 27410695, 38796676, 48495845, 54821390, 96991690, 109642780, 126089197, 193983380, 252178394, 504356788, 630445985, 1260891970, 2521783940]

約数ペア:

[(1, 2521783940), (2, 1260891970), (4, 630445985), (5, 504356788), (10, 252178394), (13, 193983380), (20, 126089197), (23, 109642780), (26, 96991690), (46, 54821390), (52, 48495845), (65, 38796676), (92, 27410695), (115, 21928556), (130, 19398338), (230, 10964278), (260, 9699169), (299, 8434060), (460, 5482139), (598, 4217030), (1196, 2108515), (1495, 1686812), (2990, 843406), (5980, 421703)]