77225820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{183871}}^1$

素因数の和:183890

約数の個数: 48

約数和(自身を含む): 247123968

約数和(自身を除く): 169898148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 183871, 367742, 551613, 735484, 919355, 1103226, 1287097, 1838710, 2206452, 2574194, 2758065, 3677420, 3861291, 5148388, 5516130, 6435485, 7722582, 11032260, 12870970, 15445164, 19306455, 25741940, 38612910, 77225820]

約数ペア:

[(1, 77225820), (2, 38612910), (3, 25741940), (4, 19306455), (5, 15445164), (6, 12870970), (7, 11032260), (10, 7722582), (12, 6435485), (14, 5516130), (15, 5148388), (20, 3861291), (21, 3677420), (28, 2758065), (30, 2574194), (35, 2206452), (42, 1838710), (60, 1287097), (70, 1103226), (84, 919355), (105, 735484), (140, 551613), (210, 367742), (420, 183871)]