201258920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{6883}}^1$

素因数の和:6954

約数の個数: 64

約数和(自身を含む): 490691520

約数和(自身を除く): 289432600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 340, 344, 430, 680, 731, 860, 1462, 1720, 2924, 3655, 5848, 6883, 7310, 13766, 14620, 27532, 29240, 34415, 55064, 68830, 117011, 137660, 234022, 275320, 295969, 468044, 585055, 591938, 936088, 1170110, 1183876, 1479845, 2340220, 2367752, 2959690, 4680440, 5031473, 5919380, 10062946, 11838760, 20125892, 25157365, 40251784, 50314730, 100629460, 201258920]

約数ペア:

[(1, 201258920), (2, 100629460), (4, 50314730), (5, 40251784), (8, 25157365), (10, 20125892), (17, 11838760), (20, 10062946), (34, 5919380), (40, 5031473), (43, 4680440), (68, 2959690), (85, 2367752), (86, 2340220), (136, 1479845), (170, 1183876), (172, 1170110), (215, 936088), (340, 591938), (344, 585055), (430, 468044), (680, 295969), (731, 275320), (860, 234022), (1462, 137660), (1720, 117011), (2924, 68830), (3655, 55064), (5848, 34415), (6883, 29240), (7310, 27532), (13766, 14620)]