275787440

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{31627}}^1$

素因数の和:31749

約数の個数: 40

約数和(自身を含む): 647108880

約数和(自身を除く): 371321440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 31627, 63254, 126508, 158135, 253016, 316270, 506032, 632540, 1265080, 2530160, 3447343, 6894686, 13789372, 17236715, 27578744, 34473430, 55157488, 68946860, 137893720, 275787440]

約数ペア:

[(1, 275787440), (2, 137893720), (4, 68946860), (5, 55157488), (8, 34473430), (10, 27578744), (16, 17236715), (20, 13789372), (40, 6894686), (80, 3447343), (109, 2530160), (218, 1265080), (436, 632540), (545, 506032), (872, 316270), (1090, 253016), (1744, 158135), (2180, 126508), (4360, 63254), (8720, 31627)]