191980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 418320

約数和(自身を除く): 226340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 331, 580, 662, 1324, 1655, 3310, 6620, 9599, 19198, 38396, 47995, 95990, 191980]

約数ペア:

[(1, 191980), (2, 95990), (4, 47995), (5, 38396), (10, 19198), (20, 9599), (29, 6620), (58, 3310), (116, 1655), (145, 1324), (290, 662), (331, 580)]