201326920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{2767}}^1$

素因数の和:2902

約数の個数: 64

約数和(自身を含む): 484289280

約数和(自身を除く): 282962360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 107, 136, 170, 214, 340, 428, 535, 680, 856, 1070, 1819, 2140, 2767, 3638, 4280, 5534, 7276, 9095, 11068, 13835, 14552, 18190, 22136, 27670, 36380, 47039, 55340, 72760, 94078, 110680, 188156, 235195, 296069, 376312, 470390, 592138, 940780, 1184276, 1480345, 1881560, 2368552, 2960690, 5033173, 5921380, 10066346, 11842760, 20132692, 25165865, 40265384, 50331730, 100663460, 201326920]

約数ペア:

[(1, 201326920), (2, 100663460), (4, 50331730), (5, 40265384), (8, 25165865), (10, 20132692), (17, 11842760), (20, 10066346), (34, 5921380), (40, 5033173), (68, 2960690), (85, 2368552), (107, 1881560), (136, 1480345), (170, 1184276), (214, 940780), (340, 592138), (428, 470390), (535, 376312), (680, 296069), (856, 235195), (1070, 188156), (1819, 110680), (2140, 94078), (2767, 72760), (3638, 55340), (4280, 47039), (5534, 36380), (7276, 27670), (9095, 22136), (11068, 18190), (13835, 14552)]