674112500

素因数分解:

$2^2\times 5^5\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 1487404800

約数和(自身を除く): 813292300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 199, 250, 271, 398, 500, 542, 625, 796, 995, 1084, 1250, 1355, 1990, 2500, 2710, 3125, 3980, 4975, 5420, 6250, 6775, 9950, 12500, 13550, 19900, 24875, 27100, 33875, 49750, 53929, 67750, 99500, 107858, 124375, 135500, 169375, 215716, 248750, 269645, 338750, 497500, 539290, 621875, 677500, 846875, 1078580, 1243750, 1348225, 1693750, 2487500, 2696450, 3387500, 5392900, 6741125, 13482250, 26964500, 33705625, 67411250, 134822500, 168528125, 337056250, 674112500]

約数ペア:

[(1, 674112500), (2, 337056250), (4, 168528125), (5, 134822500), (10, 67411250), (20, 33705625), (25, 26964500), (50, 13482250), (100, 6741125), (125, 5392900), (199, 3387500), (250, 2696450), (271, 2487500), (398, 1693750), (500, 1348225), (542, 1243750), (625, 1078580), (796, 846875), (995, 677500), (1084, 621875), (1250, 539290), (1355, 497500), (1990, 338750), (2500, 269645), (2710, 248750), (3125, 215716), (3980, 169375), (4975, 135500), (5420, 124375), (6250, 107858), (6775, 99500), (9950, 67750), (12500, 53929), (13550, 49750), (19900, 33875), (24875, 27100)]