2729220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3499}}^1$

素因数の和:3524

約数の個数: 48

約数和(自身を含む): 8232000

約数和(自身を除く): 5502780

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, 3499, 6998, 10497, 13996, 17495, 20994, 34990, 41988, 45487, 52485, 69980, 90974, 104970, 136461, 181948, 209940, 227435, 272922, 454870, 545844, 682305, 909740, 1364610, 2729220]

約数ペア:

[(1, 2729220), (2, 1364610), (3, 909740), (4, 682305), (5, 545844), (6, 454870), (10, 272922), (12, 227435), (13, 209940), (15, 181948), (20, 136461), (26, 104970), (30, 90974), (39, 69980), (52, 52485), (60, 45487), (65, 41988), (78, 34990), (130, 20994), (156, 17495), (195, 13996), (260, 10497), (390, 6998), (780, 3499)]