204516206860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{3217}}^1\times {\mathrm{64871}}^1$

素因数の和:68111

約数の個数: 72

約数和(自身を含む): 499766881824

約数和(自身を除く): 295250674964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 3217, 6434, 12868, 16085, 22519, 32170, 45038, 64340, 64871, 90076, 112595, 129742, 157633, 225190, 259484, 315266, 324355, 450380, 454097, 630532, 648710, 788165, 908194, 1297420, 1576330, 1816388, 2270485, 3152660, 3178679, 4540970, 6357358, 9081940, 12714716, 15893395, 31786790, 63573580, 208690007, 417380014, 834760028, 1043450035, 1460830049, 2086900070, 2921660098, 4173800140, 5843320196, 7304150245, 10225810343, 14608300490, 20451620686, 29216600980, 40903241372, 51129051715, 102258103430, 204516206860]

約数ペア:

[(1, 204516206860), (2, 102258103430), (4, 51129051715), (5, 40903241372), (7, 29216600980), (10, 20451620686), (14, 14608300490), (20, 10225810343), (28, 7304150245), (35, 5843320196), (49, 4173800140), (70, 2921660098), (98, 2086900070), (140, 1460830049), (196, 1043450035), (245, 834760028), (490, 417380014), (980, 208690007), (3217, 63573580), (6434, 31786790), (12868, 15893395), (16085, 12714716), (22519, 9081940), (32170, 6357358), (45038, 4540970), (64340, 3178679), (64871, 3152660), (90076, 2270485), (112595, 1816388), (129742, 1576330), (157633, 1297420), (225190, 908194), (259484, 788165), (315266, 648710), (324355, 630532), (450380, 454097)]