83684140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{919}}^1$

素因数の和:1114

約数の個数: 48

約数和(自身を含む): 183153600

約数和(自身を除く): 99469460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 157, 290, 314, 580, 628, 785, 919, 1570, 1838, 3140, 3676, 4553, 4595, 9106, 9190, 18212, 18380, 22765, 26651, 45530, 53302, 91060, 106604, 133255, 144283, 266510, 288566, 533020, 577132, 721415, 1442830, 2885660, 4184207, 8368414, 16736828, 20921035, 41842070, 83684140]

約数ペア:

[(1, 83684140), (2, 41842070), (4, 20921035), (5, 16736828), (10, 8368414), (20, 4184207), (29, 2885660), (58, 1442830), (116, 721415), (145, 577132), (157, 533020), (290, 288566), (314, 266510), (580, 144283), (628, 133255), (785, 106604), (919, 91060), (1570, 53302), (1838, 45530), (3140, 26651), (3676, 22765), (4553, 18380), (4595, 18212), (9106, 9190)]