155156620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{19841}}^1$

素因数の和:19890

約数の個数: 48

約数和(自身を含む): 360013248

約数和(自身を除く): 204856628

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 19841, 39682, 79364, 99205, 198410, 337297, 396820, 456343, 674594, 912686, 1349188, 1686485, 1825372, 2281715, 3372970, 4563430, 6745940, 7757831, 9126860, 15515662, 31031324, 38789155, 77578310, 155156620]

約数ペア:

[(1, 155156620), (2, 77578310), (4, 38789155), (5, 31031324), (10, 15515662), (17, 9126860), (20, 7757831), (23, 6745940), (34, 4563430), (46, 3372970), (68, 2281715), (85, 1825372), (92, 1686485), (115, 1349188), (170, 912686), (230, 674594), (340, 456343), (391, 396820), (460, 337297), (782, 198410), (1564, 99205), (1955, 79364), (3910, 39682), (7820, 19841)]