98457140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{55313}}^1$

素因数の和:55411

約数の個数: 24

約数和(自身を含む): 209086920

約数和(自身を除く): 110629780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 55313, 110626, 221252, 276565, 553130, 1106260, 4922857, 9845714, 19691428, 24614285, 49228570, 98457140]

約数ペア:

[(1, 98457140), (2, 49228570), (4, 24614285), (5, 19691428), (10, 9845714), (20, 4922857), (89, 1106260), (178, 553130), (356, 276565), (445, 221252), (890, 110626), (1780, 55313)]