28445600

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:119

約数の個数: 108

約数和(自身を含む): 73694502

約数和(自身を除く): 45248902

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 37, 40, 50, 62, 74, 80, 100, 124, 148, 155, 160, 185, 200, 248, 296, 310, 370, 400, 496, 592, 620, 740, 775, 800, 925, 961, 992, 1147, 1184, 1240, 1480, 1550, 1850, 1922, 2294, 2480, 2960, 3100, 3700, 3844, 4588, 4805, 4960, 5735, 5920, 6200, 7400, 7688, 9176, 9610, 11470, 12400, 14800, 15376, 18352, 19220, 22940, 24025, 24800, 28675, 29600, 30752, 35557, 36704, 38440, 45880, 48050, 57350, 71114, 76880, 91760, 96100, 114700, 142228, 153760, 177785, 183520, 192200, 229400, 284456, 355570, 384400, 458800, 568912, 711140, 768800, 888925, 917600, 1137824, 1422280, 1777850, 2844560, 3555700, 5689120, 7111400, 14222800, 28445600]

約数ペア:

[(1, 28445600), (2, 14222800), (4, 7111400), (5, 5689120), (8, 3555700), (10, 2844560), (16, 1777850), (20, 1422280), (25, 1137824), (31, 917600), (32, 888925), (37, 768800), (40, 711140), (50, 568912), (62, 458800), (74, 384400), (80, 355570), (100, 284456), (124, 229400), (148, 192200), (155, 183520), (160, 177785), (185, 153760), (200, 142228), (248, 114700), (296, 96100), (310, 91760), (370, 76880), (400, 71114), (496, 57350), (592, 48050), (620, 45880), (740, 38440), (775, 36704), (800, 35557), (925, 30752), (961, 29600), (992, 28675), (1147, 24800), (1184, 24025), (1240, 22940), (1480, 19220), (1550, 18352), (1850, 15376), (1922, 14800), (2294, 12400), (2480, 11470), (2960, 9610), (3100, 9176), (3700, 7688), (3844, 7400), (4588, 6200), (4805, 5920), (4960, 5735)]