200023940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{1091}}^1$

素因数の和:1292

約数の個数: 48

約数和(自身を含む): 429287040

約数和(自身を除く): 229263100

約数列:

[1, 2, 4, 5, 10, 20, 89, 103, 178, 206, 356, 412, 445, 515, 890, 1030, 1091, 1780, 2060, 2182, 4364, 5455, 9167, 10910, 18334, 21820, 36668, 45835, 91670, 97099, 112373, 183340, 194198, 224746, 388396, 449492, 485495, 561865, 970990, 1123730, 1941980, 2247460, 10001197, 20002394, 40004788, 50005985, 100011970, 200023940]

約数ペア:

[(1, 200023940), (2, 100011970), (4, 50005985), (5, 40004788), (10, 20002394), (20, 10001197), (89, 2247460), (103, 1941980), (178, 1123730), (206, 970990), (356, 561865), (412, 485495), (445, 449492), (515, 388396), (890, 224746), (1030, 194198), (1091, 183340), (1780, 112373), (2060, 97099), (2182, 91670), (4364, 45835), (5455, 36668), (9167, 21820), (10910, 18334)]