201935620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{1607}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 435472128

約数和(自身を除く): 233536508

約数列:

[1, 2, 4, 5, 10, 20, 61, 103, 122, 206, 244, 305, 412, 515, 610, 1030, 1220, 1607, 2060, 3214, 6283, 6428, 8035, 12566, 16070, 25132, 31415, 32140, 62830, 98027, 125660, 165521, 196054, 331042, 392108, 490135, 662084, 827605, 980270, 1655210, 1960540, 3310420, 10096781, 20193562, 40387124, 50483905, 100967810, 201935620]

約数ペア:

[(1, 201935620), (2, 100967810), (4, 50483905), (5, 40387124), (10, 20193562), (20, 10096781), (61, 3310420), (103, 1960540), (122, 1655210), (206, 980270), (244, 827605), (305, 662084), (412, 490135), (515, 392108), (610, 331042), (1030, 196054), (1220, 165521), (1607, 125660), (2060, 98027), (3214, 62830), (6283, 32140), (6428, 31415), (8035, 25132), (12566, 16070)]