129619220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{381233}}^1$

素因数の和:381259

約数の個数: 24

約数和(自身を含む): 288212904

約数和(自身を除く): 158593684

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 381233, 762466, 1524932, 1906165, 3812330, 6480961, 7624660, 12961922, 25923844, 32404805, 64809610, 129619220]

約数ペア:

[(1, 129619220), (2, 64809610), (4, 32404805), (5, 25923844), (10, 12961922), (17, 7624660), (20, 6480961), (34, 3812330), (68, 1906165), (85, 1524932), (170, 762466), (340, 381233)]