247534660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{15149}}^1$

素因数の和:15220

約数の個数: 48

約数和(自身を含む): 559944000

約数和(自身を除く): 312409340

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 8170, 15149, 16340, 30298, 60596, 75745, 151490, 287831, 302980, 575662, 651407, 1151324, 1302814, 1439155, 2605628, 2878310, 3257035, 5756620, 6514070, 12376733, 13028140, 24753466, 49506932, 61883665, 123767330, 247534660]

約数ペア:

[(1, 247534660), (2, 123767330), (4, 61883665), (5, 49506932), (10, 24753466), (19, 13028140), (20, 12376733), (38, 6514070), (43, 5756620), (76, 3257035), (86, 2878310), (95, 2605628), (172, 1439155), (190, 1302814), (215, 1151324), (380, 651407), (430, 575662), (817, 302980), (860, 287831), (1634, 151490), (3268, 75745), (4085, 60596), (8170, 30298), (15149, 16340)]