245239760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{98887}}^1$

素因数の和:98931

約数の個数: 40

約数和(自身を含む): 588581376

約数和(自身を除く): 343341616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 98887, 197774, 395548, 494435, 791096, 988870, 1582192, 1977740, 3065497, 3955480, 6130994, 7910960, 12261988, 15327485, 24523976, 30654970, 49047952, 61309940, 122619880, 245239760]

約数ペア:

[(1, 245239760), (2, 122619880), (4, 61309940), (5, 49047952), (8, 30654970), (10, 24523976), (16, 15327485), (20, 12261988), (31, 7910960), (40, 6130994), (62, 3955480), (80, 3065497), (124, 1977740), (155, 1582192), (248, 988870), (310, 791096), (496, 494435), (620, 395548), (1240, 197774), (2480, 98887)]