1490500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{271}}^1$

素因数の和:301

約数の個数: 48

約数和(自身を含む): 3564288

約数和(自身を除く): 2073788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 271, 275, 500, 542, 550, 1084, 1100, 1355, 1375, 2710, 2750, 2981, 5420, 5500, 5962, 6775, 11924, 13550, 14905, 27100, 29810, 33875, 59620, 67750, 74525, 135500, 149050, 298100, 372625, 745250, 1490500]

約数ペア:

[(1, 1490500), (2, 745250), (4, 372625), (5, 298100), (10, 149050), (11, 135500), (20, 74525), (22, 67750), (25, 59620), (44, 33875), (50, 29810), (55, 27100), (100, 14905), (110, 13550), (125, 11924), (220, 6775), (250, 5962), (271, 5500), (275, 5420), (500, 2981), (542, 2750), (550, 2710), (1084, 1375), (1100, 1355)]