393539740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1109}}^1\times {\mathrm{1613}}^1$

素因数の和:2742

約数の個数: 48

約数和(自身を含む): 902936160

約数和(自身を除く): 509396420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1109, 1613, 2218, 3226, 4436, 5545, 6452, 8065, 11090, 12199, 16130, 17743, 22180, 24398, 32260, 35486, 48796, 60995, 70972, 88715, 121990, 177430, 243980, 354860, 1788817, 3577634, 7155268, 8944085, 17888170, 19676987, 35776340, 39353974, 78707948, 98384935, 196769870, 393539740]

約数ペア:

[(1, 393539740), (2, 196769870), (4, 98384935), (5, 78707948), (10, 39353974), (11, 35776340), (20, 19676987), (22, 17888170), (44, 8944085), (55, 7155268), (110, 3577634), (220, 1788817), (1109, 354860), (1613, 243980), (2218, 177430), (3226, 121990), (4436, 88715), (5545, 70972), (6452, 60995), (8065, 48796), (11090, 35486), (12199, 32260), (16130, 24398), (17743, 22180)]