348198440

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{68543}}^1$

素因数の和:68681

約数の個数: 32

約数和(自身を含む): 789626880

約数和(自身を除く): 441428440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 68543, 137086, 274172, 342715, 548344, 685430, 1370860, 2741720, 8704961, 17409922, 34819844, 43524805, 69639688, 87049610, 174099220, 348198440]

約数ペア:

[(1, 348198440), (2, 174099220), (4, 87049610), (5, 69639688), (8, 43524805), (10, 34819844), (20, 17409922), (40, 8704961), (127, 2741720), (254, 1370860), (508, 685430), (635, 548344), (1016, 342715), (1270, 274172), (2540, 137086), (5080, 68543)]