218175520

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43987}}^1$

素因数の和:44033

約数の個数: 48

約数和(自身を含む): 532078848

約数和(自身を除く): 313903328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 43987, 87974, 175948, 219935, 351896, 439870, 703792, 879740, 1363597, 1407584, 1759480, 2727194, 3518960, 5454388, 6817985, 7037920, 10908776, 13635970, 21817552, 27271940, 43635104, 54543880, 109087760, 218175520]

約数ペア:

[(1, 218175520), (2, 109087760), (4, 54543880), (5, 43635104), (8, 27271940), (10, 21817552), (16, 13635970), (20, 10908776), (31, 7037920), (32, 6817985), (40, 5454388), (62, 3518960), (80, 2727194), (124, 1759480), (155, 1407584), (160, 1363597), (248, 879740), (310, 703792), (496, 439870), (620, 351896), (992, 219935), (1240, 175948), (2480, 87974), (4960, 43987)]