28385500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:440

約数の個数: 96

約数和(自身を含む): 73015488

約数和(自身を除く): 44629988

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 125, 130, 143, 220, 250, 260, 275, 286, 325, 397, 500, 550, 572, 650, 715, 794, 1100, 1300, 1375, 1430, 1588, 1625, 1985, 2750, 2860, 3250, 3575, 3970, 4367, 5161, 5500, 6500, 7150, 7940, 8734, 9925, 10322, 14300, 17468, 17875, 19850, 20644, 21835, 25805, 35750, 39700, 43670, 49625, 51610, 56771, 71500, 87340, 99250, 103220, 109175, 113542, 129025, 198500, 218350, 227084, 258050, 283855, 436700, 516100, 545875, 567710, 645125, 1091750, 1135420, 1290250, 1419275, 2183500, 2580500, 2838550, 5677100, 7096375, 14192750, 28385500]

約数ペア:

[(1, 28385500), (2, 14192750), (4, 7096375), (5, 5677100), (10, 2838550), (11, 2580500), (13, 2183500), (20, 1419275), (22, 1290250), (25, 1135420), (26, 1091750), (44, 645125), (50, 567710), (52, 545875), (55, 516100), (65, 436700), (100, 283855), (110, 258050), (125, 227084), (130, 218350), (143, 198500), (220, 129025), (250, 113542), (260, 109175), (275, 103220), (286, 99250), (325, 87340), (397, 71500), (500, 56771), (550, 51610), (572, 49625), (650, 43670), (715, 39700), (794, 35750), (1100, 25805), (1300, 21835), (1375, 20644), (1430, 19850), (1588, 17875), (1625, 17468), (1985, 14300), (2750, 10322), (2860, 9925), (3250, 8734), (3575, 7940), (3970, 7150), (4367, 6500), (5161, 5500)]