72445970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{509}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 134101440

約数和(自身を除く): 61655470

約数列:

[1, 2, 5, 10, 43, 86, 215, 331, 430, 509, 662, 1018, 1655, 2545, 3310, 5090, 14233, 21887, 28466, 43774, 71165, 109435, 142330, 168479, 218870, 336958, 842395, 1684790, 7244597, 14489194, 36222985, 72445970]

約数ペア:

[(1, 72445970), (2, 36222985), (5, 14489194), (10, 7244597), (43, 1684790), (86, 842395), (215, 336958), (331, 218870), (430, 168479), (509, 142330), (662, 109435), (1018, 71165), (1655, 43774), (2545, 28466), (3310, 21887), (5090, 14233)]