1903785040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{820597}}^1$

素因数の和:820639

約数の個数: 40

約数和(自身を含む): 4578936840

約数和(自身を除く): 2675151800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 820597, 1641194, 3282388, 4102985, 6564776, 8205970, 13129552, 16411940, 23797313, 32823880, 47594626, 65647760, 95189252, 118986565, 190378504, 237973130, 380757008, 475946260, 951892520, 1903785040]

約数ペア:

[(1, 1903785040), (2, 951892520), (4, 475946260), (5, 380757008), (8, 237973130), (10, 190378504), (16, 118986565), (20, 95189252), (29, 65647760), (40, 47594626), (58, 32823880), (80, 23797313), (116, 16411940), (145, 13129552), (232, 8205970), (290, 6564776), (464, 4102985), (580, 3282388), (1160, 1641194), (2320, 820597)]