138989600

素因数分解:

$2^5\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2447}}^1$

素因数の和:2538

約数の個数: 72

約数和(自身を含む): 344227968

約数和(自身を除く): 205238368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 142, 160, 200, 284, 355, 400, 568, 710, 800, 1136, 1420, 1775, 2272, 2447, 2840, 3550, 4894, 5680, 7100, 9788, 11360, 12235, 14200, 19576, 24470, 28400, 39152, 48940, 56800, 61175, 78304, 97880, 122350, 173737, 195760, 244700, 347474, 391520, 489400, 694948, 868685, 978800, 1389896, 1737370, 1957600, 2779792, 3474740, 4343425, 5559584, 6949480, 8686850, 13898960, 17373700, 27797920, 34747400, 69494800, 138989600]

約数ペア:

[(1, 138989600), (2, 69494800), (4, 34747400), (5, 27797920), (8, 17373700), (10, 13898960), (16, 8686850), (20, 6949480), (25, 5559584), (32, 4343425), (40, 3474740), (50, 2779792), (71, 1957600), (80, 1737370), (100, 1389896), (142, 978800), (160, 868685), (200, 694948), (284, 489400), (355, 391520), (400, 347474), (568, 244700), (710, 195760), (800, 173737), (1136, 122350), (1420, 97880), (1775, 78304), (2272, 61175), (2447, 56800), (2840, 48940), (3550, 39152), (4894, 28400), (5680, 24470), (7100, 19576), (9788, 14200), (11360, 12235)]