100144840

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 230630400

約数和(自身を除く): 130485560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 109, 206, 218, 223, 412, 436, 446, 515, 545, 824, 872, 892, 1030, 1090, 1115, 1784, 2060, 2180, 2230, 4120, 4360, 4460, 8920, 11227, 22454, 22969, 24307, 44908, 45938, 48614, 56135, 89816, 91876, 97228, 112270, 114845, 121535, 183752, 194456, 224540, 229690, 243070, 449080, 459380, 486140, 918760, 972280, 2503621, 5007242, 10014484, 12518105, 20028968, 25036210, 50072420, 100144840]

約数ペア:

[(1, 100144840), (2, 50072420), (4, 25036210), (5, 20028968), (8, 12518105), (10, 10014484), (20, 5007242), (40, 2503621), (103, 972280), (109, 918760), (206, 486140), (218, 459380), (223, 449080), (412, 243070), (436, 229690), (446, 224540), (515, 194456), (545, 183752), (824, 121535), (872, 114845), (892, 112270), (1030, 97228), (1090, 91876), (1115, 89816), (1784, 56135), (2060, 48614), (2180, 45938), (2230, 44908), (4120, 24307), (4360, 22969), (4460, 22454), (8920, 11227)]