193439220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{247999}}^1$

素因数の和:248024

約数の個数: 48

約数和(自身を含む): 583296000

約数和(自身を除く): 389856780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 247999, 495998, 743997, 991996, 1239995, 1487994, 2479990, 2975988, 3223987, 3719985, 4959980, 6447974, 7439970, 9671961, 12895948, 14879940, 16119935, 19343922, 32239870, 38687844, 48359805, 64479740, 96719610, 193439220]

約数ペア:

[(1, 193439220), (2, 96719610), (3, 64479740), (4, 48359805), (5, 38687844), (6, 32239870), (10, 19343922), (12, 16119935), (13, 14879940), (15, 12895948), (20, 9671961), (26, 7439970), (30, 6447974), (39, 4959980), (52, 3719985), (60, 3223987), (65, 2975988), (78, 2479990), (130, 1487994), (156, 1239995), (195, 991996), (260, 743997), (390, 495998), (780, 247999)]