10780100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 25206720

約数和(自身を除く): 14426620

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 43, 46, 50, 86, 92, 100, 109, 115, 172, 215, 218, 230, 430, 436, 460, 545, 575, 860, 989, 1075, 1090, 1150, 1978, 2150, 2180, 2300, 2507, 2725, 3956, 4300, 4687, 4945, 5014, 5450, 9374, 9890, 10028, 10900, 12535, 18748, 19780, 23435, 24725, 25070, 46870, 49450, 50140, 62675, 93740, 98900, 107801, 117175, 125350, 215602, 234350, 250700, 431204, 468700, 539005, 1078010, 2156020, 2695025, 5390050, 10780100]

約数ペア:

[(1, 10780100), (2, 5390050), (4, 2695025), (5, 2156020), (10, 1078010), (20, 539005), (23, 468700), (25, 431204), (43, 250700), (46, 234350), (50, 215602), (86, 125350), (92, 117175), (100, 107801), (109, 98900), (115, 93740), (172, 62675), (215, 50140), (218, 49450), (230, 46870), (430, 25070), (436, 24725), (460, 23435), (545, 19780), (575, 18748), (860, 12535), (989, 10900), (1075, 10028), (1090, 9890), (1150, 9374), (1978, 5450), (2150, 5014), (2180, 4945), (2300, 4687), (2507, 4300), (2725, 3956)]