2158500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{1439}}^1$

素因数の和:1461

約数の個数: 48

約数和(自身を含む): 6289920

約数和(自身を除く): 4131420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1439, 1500, 2878, 4317, 5756, 7195, 8634, 14390, 17268, 21585, 28780, 35975, 43170, 71950, 86340, 107925, 143900, 179875, 215850, 359750, 431700, 539625, 719500, 1079250, 2158500]

約数ペア:

[(1, 2158500), (2, 1079250), (3, 719500), (4, 539625), (5, 431700), (6, 359750), (10, 215850), (12, 179875), (15, 143900), (20, 107925), (25, 86340), (30, 71950), (50, 43170), (60, 35975), (75, 28780), (100, 21585), (125, 17268), (150, 14390), (250, 8634), (300, 7195), (375, 5756), (500, 4317), (750, 2878), (1439, 1500)]