201173420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1993}}^1$

素因数の和:2119

約数の個数: 72

約数和(自身を含む): 496458144

約数和(自身を除く): 295284724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 103, 140, 196, 206, 245, 412, 490, 515, 721, 980, 1030, 1442, 1993, 2060, 2884, 3605, 3986, 5047, 7210, 7972, 9965, 10094, 13951, 14420, 19930, 20188, 25235, 27902, 39860, 50470, 55804, 69755, 97657, 100940, 139510, 195314, 205279, 279020, 390628, 410558, 488285, 821116, 976570, 1026395, 1436953, 1953140, 2052790, 2873906, 4105580, 5747812, 7184765, 10058671, 14369530, 20117342, 28739060, 40234684, 50293355, 100586710, 201173420]

約数ペア:

[(1, 201173420), (2, 100586710), (4, 50293355), (5, 40234684), (7, 28739060), (10, 20117342), (14, 14369530), (20, 10058671), (28, 7184765), (35, 5747812), (49, 4105580), (70, 2873906), (98, 2052790), (103, 1953140), (140, 1436953), (196, 1026395), (206, 976570), (245, 821116), (412, 488285), (490, 410558), (515, 390628), (721, 279020), (980, 205279), (1030, 195314), (1442, 139510), (1993, 100940), (2060, 97657), (2884, 69755), (3605, 55804), (3986, 50470), (5047, 39860), (7210, 27902), (7972, 25235), (9965, 20188), (10094, 19930), (13951, 14420)]