312789100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{240607}}^1$

素因数の和:240634

約数の個数: 36

約数和(自身を含む): 730967104

約数和(自身を除く): 418178004

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 240607, 481214, 962428, 1203035, 2406070, 3127891, 4812140, 6015175, 6255782, 12030350, 12511564, 15639455, 24060700, 31278910, 62557820, 78197275, 156394550, 312789100]

約数ペア:

[(1, 312789100), (2, 156394550), (4, 78197275), (5, 62557820), (10, 31278910), (13, 24060700), (20, 15639455), (25, 12511564), (26, 12030350), (50, 6255782), (52, 6015175), (65, 4812140), (100, 3127891), (130, 2406070), (260, 1203035), (325, 962428), (650, 481214), (1300, 240607)]