243999760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{98387}}^1$

素因数の和:98431

約数の個数: 40

約数和(自身を含む): 585605376

約数和(自身を除く): 341605616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 98387, 196774, 393548, 491935, 787096, 983870, 1574192, 1967740, 3049997, 3935480, 6099994, 7870960, 12199988, 15249985, 24399976, 30499970, 48799952, 60999940, 121999880, 243999760]

約数ペア:

[(1, 243999760), (2, 121999880), (4, 60999940), (5, 48799952), (8, 30499970), (10, 24399976), (16, 15249985), (20, 12199988), (31, 7870960), (40, 6099994), (62, 3935480), (80, 3049997), (124, 1967740), (155, 1574192), (248, 983870), (310, 787096), (496, 491935), (620, 393548), (1240, 196774), (2480, 98387)]