31314800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{647}}^1$

素因数の和:687

約数の個数: 90

約数和(自身を含む): 82822824

約数和(自身を除く): 51508024

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 121, 176, 200, 220, 242, 275, 400, 440, 484, 550, 605, 647, 880, 968, 1100, 1210, 1294, 1936, 2200, 2420, 2588, 3025, 3235, 4400, 4840, 5176, 6050, 6470, 7117, 9680, 10352, 12100, 12940, 14234, 16175, 24200, 25880, 28468, 32350, 35585, 48400, 51760, 56936, 64700, 71170, 78287, 113872, 129400, 142340, 156574, 177925, 258800, 284680, 313148, 355850, 391435, 569360, 626296, 711700, 782870, 1252592, 1423400, 1565740, 1957175, 2846800, 3131480, 3914350, 6262960, 7828700, 15657400, 31314800]

約数ペア:

[(1, 31314800), (2, 15657400), (4, 7828700), (5, 6262960), (8, 3914350), (10, 3131480), (11, 2846800), (16, 1957175), (20, 1565740), (22, 1423400), (25, 1252592), (40, 782870), (44, 711700), (50, 626296), (55, 569360), (80, 391435), (88, 355850), (100, 313148), (110, 284680), (121, 258800), (176, 177925), (200, 156574), (220, 142340), (242, 129400), (275, 113872), (400, 78287), (440, 71170), (484, 64700), (550, 56936), (605, 51760), (647, 48400), (880, 35585), (968, 32350), (1100, 28468), (1210, 25880), (1294, 24200), (1936, 16175), (2200, 14234), (2420, 12940), (2588, 12100), (3025, 10352), (3235, 9680), (4400, 7117), (4840, 6470), (5176, 6050)]