12409100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 30466800

約数和(自身を除く): 18057700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 145, 220, 275, 290, 319, 389, 550, 580, 638, 725, 778, 1100, 1276, 1450, 1556, 1595, 1945, 2900, 3190, 3890, 4279, 6380, 7780, 7975, 8558, 9725, 11281, 15950, 17116, 19450, 21395, 22562, 31900, 38900, 42790, 45124, 56405, 85580, 106975, 112810, 124091, 213950, 225620, 248182, 282025, 427900, 496364, 564050, 620455, 1128100, 1240910, 2481820, 3102275, 6204550, 12409100]

約数ペア:

[(1, 12409100), (2, 6204550), (4, 3102275), (5, 2481820), (10, 1240910), (11, 1128100), (20, 620455), (22, 564050), (25, 496364), (29, 427900), (44, 282025), (50, 248182), (55, 225620), (58, 213950), (100, 124091), (110, 112810), (116, 106975), (145, 85580), (220, 56405), (275, 45124), (290, 42790), (319, 38900), (389, 31900), (550, 22562), (580, 21395), (638, 19450), (725, 17116), (778, 15950), (1100, 11281), (1276, 9725), (1450, 8558), (1556, 7975), (1595, 7780), (1945, 6380), (2900, 4279), (3190, 3890)]