208412260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 513676800

約数和(自身を除く): 305264540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 103, 140, 149, 194, 206, 298, 388, 412, 485, 515, 596, 679, 721, 745, 970, 1030, 1043, 1358, 1442, 1490, 1940, 2060, 2086, 2716, 2884, 2980, 3395, 3605, 4172, 5215, 6790, 7210, 9991, 10430, 13580, 14420, 14453, 15347, 19982, 20860, 28906, 30694, 39964, 49955, 57812, 61388, 69937, 72265, 76735, 99910, 101171, 107429, 139874, 144530, 153470, 199820, 202342, 214858, 279748, 289060, 306940, 349685, 404684, 429716, 505855, 537145, 699370, 1011710, 1074290, 1398740, 1488659, 2023420, 2148580, 2977318, 5954636, 7443295, 10420613, 14886590, 20841226, 29773180, 41682452, 52103065, 104206130, 208412260]

約数ペア:

[(1, 208412260), (2, 104206130), (4, 52103065), (5, 41682452), (7, 29773180), (10, 20841226), (14, 14886590), (20, 10420613), (28, 7443295), (35, 5954636), (70, 2977318), (97, 2148580), (103, 2023420), (140, 1488659), (149, 1398740), (194, 1074290), (206, 1011710), (298, 699370), (388, 537145), (412, 505855), (485, 429716), (515, 404684), (596, 349685), (679, 306940), (721, 289060), (745, 279748), (970, 214858), (1030, 202342), (1043, 199820), (1358, 153470), (1442, 144530), (1490, 139874), (1940, 107429), (2060, 101171), (2086, 99910), (2716, 76735), (2884, 72265), (2980, 69937), (3395, 61388), (3605, 57812), (4172, 49955), (5215, 39964), (6790, 30694), (7210, 28906), (9991, 20860), (10430, 19982), (13580, 15347), (14420, 14453)]