631297840

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{148891}}^1$

素因数の和:148957

約数の個数: 40

約数和(自身を含む): 1495471248

約数和(自身を除く): 864173408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 148891, 297782, 595564, 744455, 1191128, 1488910, 2382256, 2977820, 5955640, 7891223, 11911280, 15782446, 31564892, 39456115, 63129784, 78912230, 126259568, 157824460, 315648920, 631297840]

約数ペア:

[(1, 631297840), (2, 315648920), (4, 157824460), (5, 126259568), (8, 78912230), (10, 63129784), (16, 39456115), (20, 31564892), (40, 15782446), (53, 11911280), (80, 7891223), (106, 5955640), (212, 2977820), (265, 2382256), (424, 1488910), (530, 1191128), (848, 744455), (1060, 595564), (2120, 297782), (4240, 148891)]