204916900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3719}}^1$

素因数の和:3781

約数の個数: 72

約数和(自身を含む): 484344000

約数和(自身を除く): 279427100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 29, 38, 50, 58, 76, 95, 100, 116, 145, 190, 290, 380, 475, 551, 580, 725, 950, 1102, 1450, 1900, 2204, 2755, 2900, 3719, 5510, 7438, 11020, 13775, 14876, 18595, 27550, 37190, 55100, 70661, 74380, 92975, 107851, 141322, 185950, 215702, 282644, 353305, 371900, 431404, 539255, 706610, 1078510, 1413220, 1766525, 2049169, 2157020, 2696275, 3533050, 4098338, 5392550, 7066100, 8196676, 10245845, 10785100, 20491690, 40983380, 51229225, 102458450, 204916900]

約数ペア:

[(1, 204916900), (2, 102458450), (4, 51229225), (5, 40983380), (10, 20491690), (19, 10785100), (20, 10245845), (25, 8196676), (29, 7066100), (38, 5392550), (50, 4098338), (58, 3533050), (76, 2696275), (95, 2157020), (100, 2049169), (116, 1766525), (145, 1413220), (190, 1078510), (290, 706610), (380, 539255), (475, 431404), (551, 371900), (580, 353305), (725, 282644), (950, 215702), (1102, 185950), (1450, 141322), (1900, 107851), (2204, 92975), (2755, 74380), (2900, 70661), (3719, 55100), (5510, 37190), (7438, 27550), (11020, 18595), (13775, 14876)]