28275500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 69346368

約数和(自身を除く): 41070868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 53, 55, 97, 100, 106, 110, 125, 194, 212, 220, 250, 265, 275, 388, 485, 500, 530, 550, 583, 970, 1060, 1067, 1100, 1166, 1325, 1375, 1940, 2134, 2332, 2425, 2650, 2750, 2915, 4268, 4850, 5141, 5300, 5335, 5500, 5830, 6625, 9700, 10282, 10670, 11660, 12125, 13250, 14575, 20564, 21340, 24250, 25705, 26500, 26675, 29150, 48500, 51410, 53350, 56551, 58300, 72875, 102820, 106700, 113102, 128525, 133375, 145750, 226204, 257050, 266750, 282755, 291500, 514100, 533500, 565510, 642625, 1131020, 1285250, 1413775, 2570500, 2827550, 5655100, 7068875, 14137750, 28275500]

約数ペア:

[(1, 28275500), (2, 14137750), (4, 7068875), (5, 5655100), (10, 2827550), (11, 2570500), (20, 1413775), (22, 1285250), (25, 1131020), (44, 642625), (50, 565510), (53, 533500), (55, 514100), (97, 291500), (100, 282755), (106, 266750), (110, 257050), (125, 226204), (194, 145750), (212, 133375), (220, 128525), (250, 113102), (265, 106700), (275, 102820), (388, 72875), (485, 58300), (500, 56551), (530, 53350), (550, 51410), (583, 48500), (970, 29150), (1060, 26675), (1067, 26500), (1100, 25705), (1166, 24250), (1325, 21340), (1375, 20564), (1940, 14575), (2134, 13250), (2332, 12125), (2425, 11660), (2650, 10670), (2750, 10282), (2915, 9700), (4268, 6625), (4850, 5830), (5141, 5500), (5300, 5335)]