156728900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{821}}^1$

素因数の和:941

約数の個数: 72

約数和(自身を含む): 359601984

約数和(自身を除く): 202873084

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 83, 92, 100, 115, 166, 230, 332, 415, 460, 575, 821, 830, 1150, 1642, 1660, 1909, 2075, 2300, 3284, 3818, 4105, 4150, 7636, 8210, 8300, 9545, 16420, 18883, 19090, 20525, 37766, 38180, 41050, 47725, 68143, 75532, 82100, 94415, 95450, 136286, 188830, 190900, 272572, 340715, 377660, 472075, 681430, 944150, 1362860, 1567289, 1703575, 1888300, 3134578, 3407150, 6269156, 6814300, 7836445, 15672890, 31345780, 39182225, 78364450, 156728900]

約数ペア:

[(1, 156728900), (2, 78364450), (4, 39182225), (5, 31345780), (10, 15672890), (20, 7836445), (23, 6814300), (25, 6269156), (46, 3407150), (50, 3134578), (83, 1888300), (92, 1703575), (100, 1567289), (115, 1362860), (166, 944150), (230, 681430), (332, 472075), (415, 377660), (460, 340715), (575, 272572), (821, 190900), (830, 188830), (1150, 136286), (1642, 95450), (1660, 94415), (1909, 82100), (2075, 75532), (2300, 68143), (3284, 47725), (3818, 41050), (4105, 38180), (4150, 37766), (7636, 20525), (8210, 19090), (8300, 18883), (9545, 16420)]