627268780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1\times {\mathrm{1373}}^1$

素因数の和:1866

約数の個数: 48

約数和(自身を含む): 1346212224

約数和(自身を除く): 718943444

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 431, 530, 862, 1060, 1373, 1724, 2155, 2746, 4310, 5492, 6865, 8620, 13730, 22843, 27460, 45686, 72769, 91372, 114215, 145538, 228430, 291076, 363845, 456860, 591763, 727690, 1183526, 1455380, 2367052, 2958815, 5917630, 11835260, 31363439, 62726878, 125453756, 156817195, 313634390, 627268780]

約数ペア:

[(1, 627268780), (2, 313634390), (4, 156817195), (5, 125453756), (10, 62726878), (20, 31363439), (53, 11835260), (106, 5917630), (212, 2958815), (265, 2367052), (431, 1455380), (530, 1183526), (862, 727690), (1060, 591763), (1373, 456860), (1724, 363845), (2155, 291076), (2746, 228430), (4310, 145538), (5492, 114215), (6865, 91372), (8620, 72769), (13730, 45686), (22843, 27460)]