7900040

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 19215360

約数和(自身を除く): 11315320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 277, 310, 460, 554, 620, 713, 920, 1108, 1240, 1385, 1426, 2216, 2770, 2852, 3565, 5540, 5704, 6371, 7130, 8587, 11080, 12742, 14260, 17174, 25484, 28520, 31855, 34348, 42935, 50968, 63710, 68696, 85870, 127420, 171740, 197501, 254840, 343480, 395002, 790004, 987505, 1580008, 1975010, 3950020, 7900040]

約数ペア:

[(1, 7900040), (2, 3950020), (4, 1975010), (5, 1580008), (8, 987505), (10, 790004), (20, 395002), (23, 343480), (31, 254840), (40, 197501), (46, 171740), (62, 127420), (92, 85870), (115, 68696), (124, 63710), (155, 50968), (184, 42935), (230, 34348), (248, 31855), (277, 28520), (310, 25484), (460, 17174), (554, 14260), (620, 12742), (713, 11080), (920, 8587), (1108, 7130), (1240, 6371), (1385, 5704), (1426, 5540), (2216, 3565), (2770, 2852)]