1388200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{631}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 3526560

約数和(自身を除く): 2138360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 631, 1100, 1262, 2200, 2524, 3155, 5048, 6310, 6941, 12620, 13882, 15775, 25240, 27764, 31550, 34705, 55528, 63100, 69410, 126200, 138820, 173525, 277640, 347050, 694100, 1388200]

約数ペア:

[(1, 1388200), (2, 694100), (4, 347050), (5, 277640), (8, 173525), (10, 138820), (11, 126200), (20, 69410), (22, 63100), (25, 55528), (40, 34705), (44, 31550), (50, 27764), (55, 25240), (88, 15775), (100, 13882), (110, 12620), (200, 6941), (220, 6310), (275, 5048), (440, 3155), (550, 2524), (631, 2200), (1100, 1262)]