1224500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:129

約数の個数: 48

約数和(自身を含む): 2795520

約数和(自身を除く): 1571020

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 79, 100, 124, 125, 155, 158, 250, 310, 316, 395, 500, 620, 775, 790, 1550, 1580, 1975, 2449, 3100, 3875, 3950, 4898, 7750, 7900, 9796, 9875, 12245, 15500, 19750, 24490, 39500, 48980, 61225, 122450, 244900, 306125, 612250, 1224500]

約数ペア:

[(1, 1224500), (2, 612250), (4, 306125), (5, 244900), (10, 122450), (20, 61225), (25, 48980), (31, 39500), (50, 24490), (62, 19750), (79, 15500), (100, 12245), (124, 9875), (125, 9796), (155, 7900), (158, 7750), (250, 4898), (310, 3950), (316, 3875), (395, 3100), (500, 2449), (620, 1975), (775, 1580), (790, 1550)]