70167820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{389}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 153316800

約数和(自身を除く): 83148980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 311, 389, 580, 622, 778, 1244, 1555, 1556, 1945, 3110, 3890, 6220, 7780, 9019, 11281, 18038, 22562, 36076, 45095, 45124, 56405, 90190, 112810, 120979, 180380, 225620, 241958, 483916, 604895, 1209790, 2419580, 3508391, 7016782, 14033564, 17541955, 35083910, 70167820]

約数ペア:

[(1, 70167820), (2, 35083910), (4, 17541955), (5, 14033564), (10, 7016782), (20, 3508391), (29, 2419580), (58, 1209790), (116, 604895), (145, 483916), (290, 241958), (311, 225620), (389, 180380), (580, 120979), (622, 112810), (778, 90190), (1244, 56405), (1555, 45124), (1556, 45095), (1945, 36076), (3110, 22562), (3890, 18038), (6220, 11281), (7780, 9019)]