157219287020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2503}}^1\times {\mathrm{28813}}^1$

素因数の和:31434

約数の個数: 48

約数和(自身を含む): 333334182720

約数和(自身を除く): 176114895700

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 2503, 5006, 10012, 12515, 25030, 28813, 50060, 57626, 115252, 144065, 272827, 288130, 545654, 576260, 1091308, 1364135, 2728270, 3140617, 5456540, 6281234, 12562468, 15703085, 31406170, 62812340, 72118939, 144237878, 288475756, 360594695, 721189390, 1442378780, 7860964351, 15721928702, 31443857404, 39304821755, 78609643510, 157219287020]

約数ペア:

[(1, 157219287020), (2, 78609643510), (4, 39304821755), (5, 31443857404), (10, 15721928702), (20, 7860964351), (109, 1442378780), (218, 721189390), (436, 360594695), (545, 288475756), (1090, 144237878), (2180, 72118939), (2503, 62812340), (5006, 31406170), (10012, 15703085), (12515, 12562468), (25030, 6281234), (28813, 5456540), (50060, 3140617), (57626, 2728270), (115252, 1364135), (144065, 1091308), (272827, 576260), (288130, 545654)]