349744190

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{2503}}^1$

素因数の和:2756

約数の個数: 32

約数和(自身を含む): 640923840

約数和(自身を除く): 291179650

約数列:

[1, 2, 5, 10, 89, 157, 178, 314, 445, 785, 890, 1570, 2503, 5006, 12515, 13973, 25030, 27946, 69865, 139730, 222767, 392971, 445534, 785942, 1113835, 1964855, 2227670, 3929710, 34974419, 69948838, 174872095, 349744190]

約数ペア:

[(1, 349744190), (2, 174872095), (5, 69948838), (10, 34974419), (89, 3929710), (157, 2227670), (178, 1964855), (314, 1113835), (445, 785942), (785, 445534), (890, 392971), (1570, 222767), (2503, 139730), (5006, 69865), (12515, 27946), (13973, 25030)]