201239900

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^2\times {\mathrm{911}}^1$

素因数の和:1019

約数の個数: 54

約数和(自身を含む): 446669328

約数和(自身を除く): 245429428

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 911, 940, 1175, 1822, 2209, 2350, 3644, 4418, 4555, 4700, 8836, 9110, 11045, 18220, 22090, 22775, 42817, 44180, 45550, 55225, 85634, 91100, 110450, 171268, 214085, 220900, 428170, 856340, 1070425, 2012399, 2140850, 4024798, 4281700, 8049596, 10061995, 20123990, 40247980, 50309975, 100619950, 201239900]

約数ペア:

[(1, 201239900), (2, 100619950), (4, 50309975), (5, 40247980), (10, 20123990), (20, 10061995), (25, 8049596), (47, 4281700), (50, 4024798), (94, 2140850), (100, 2012399), (188, 1070425), (235, 856340), (470, 428170), (911, 220900), (940, 214085), (1175, 171268), (1822, 110450), (2209, 91100), (2350, 85634), (3644, 55225), (4418, 45550), (4555, 44180), (4700, 42817), (8836, 22775), (9110, 22090), (11045, 18220)]