1290291260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{7643}}^1$

素因数の和:8042

約数の個数: 48

約数和(自身を含む): 2835495936

約数和(自身を除く): 1545204676

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 367, 460, 734, 1468, 1835, 3670, 7340, 7643, 8441, 15286, 16882, 30572, 33764, 38215, 42205, 76430, 84410, 152860, 168820, 175789, 351578, 703156, 878945, 1757890, 2804981, 3515780, 5609962, 11219924, 14024905, 28049810, 56099620, 64514563, 129029126, 258058252, 322572815, 645145630, 1290291260]

約数ペア:

[(1, 1290291260), (2, 645145630), (4, 322572815), (5, 258058252), (10, 129029126), (20, 64514563), (23, 56099620), (46, 28049810), (92, 14024905), (115, 11219924), (230, 5609962), (367, 3515780), (460, 2804981), (734, 1757890), (1468, 878945), (1835, 703156), (3670, 351578), (7340, 175789), (7643, 168820), (8441, 152860), (15286, 84410), (16882, 76430), (30572, 42205), (33764, 38215)]