172314740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21379}}^1$

素因数の和:21432

約数の個数: 48

約数和(自身を含む): 402286080

約数和(自身を除く): 229971340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 21379, 42758, 85516, 106895, 213790, 277927, 427580, 555854, 662749, 1111708, 1325498, 1389635, 2650996, 2779270, 3313745, 5558540, 6627490, 8615737, 13254980, 17231474, 34462948, 43078685, 86157370, 172314740]

約数ペア:

[(1, 172314740), (2, 86157370), (4, 43078685), (5, 34462948), (10, 17231474), (13, 13254980), (20, 8615737), (26, 6627490), (31, 5558540), (52, 3313745), (62, 2779270), (65, 2650996), (124, 1389635), (130, 1325498), (155, 1111708), (260, 662749), (310, 555854), (403, 427580), (620, 277927), (806, 213790), (1612, 106895), (2015, 85516), (4030, 42758), (8060, 21379)]