164025820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{6473}}^1$

素因数の和:6670

約数の個数: 48

約数和(自身を含む): 395898048

約数和(自身を除く): 231872228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 905, 1267, 1810, 2534, 3620, 5068, 6335, 6473, 12670, 12946, 25340, 25892, 32365, 45311, 64730, 90622, 129460, 181244, 226555, 453110, 906220, 1171613, 2343226, 4686452, 5858065, 8201291, 11716130, 16402582, 23432260, 32805164, 41006455, 82012910, 164025820]

約数ペア:

[(1, 164025820), (2, 82012910), (4, 41006455), (5, 32805164), (7, 23432260), (10, 16402582), (14, 11716130), (20, 8201291), (28, 5858065), (35, 4686452), (70, 2343226), (140, 1171613), (181, 906220), (362, 453110), (724, 226555), (905, 181244), (1267, 129460), (1810, 90622), (2534, 64730), (3620, 45311), (5068, 32365), (6335, 25892), (6473, 25340), (12670, 12946)]