128575150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1489}}^1$

素因数の和:1669

約数の個数: 48

約数和(自身を含む): 262728720

約数和(自身を除く): 134153570

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 157, 275, 314, 550, 785, 1489, 1570, 1727, 2978, 3454, 3925, 7445, 7850, 8635, 14890, 16379, 17270, 32758, 37225, 43175, 74450, 81895, 86350, 163790, 233773, 409475, 467546, 818950, 1168865, 2337730, 2571503, 5143006, 5844325, 11688650, 12857515, 25715030, 64287575, 128575150]

約数ペア:

[(1, 128575150), (2, 64287575), (5, 25715030), (10, 12857515), (11, 11688650), (22, 5844325), (25, 5143006), (50, 2571503), (55, 2337730), (110, 1168865), (157, 818950), (275, 467546), (314, 409475), (550, 233773), (785, 163790), (1489, 86350), (1570, 81895), (1727, 74450), (2978, 43175), (3454, 37225), (3925, 32758), (7445, 17270), (7850, 16379), (8635, 14890)]