900220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 2096640

約数和(自身を除く): 1196420

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 103, 115, 190, 206, 230, 380, 412, 437, 460, 515, 874, 1030, 1748, 1957, 2060, 2185, 2369, 3914, 4370, 4738, 7828, 8740, 9476, 9785, 11845, 19570, 23690, 39140, 45011, 47380, 90022, 180044, 225055, 450110, 900220]

約数ペア:

[(1, 900220), (2, 450110), (4, 225055), (5, 180044), (10, 90022), (19, 47380), (20, 45011), (23, 39140), (38, 23690), (46, 19570), (76, 11845), (92, 9785), (95, 9476), (103, 8740), (115, 7828), (190, 4738), (206, 4370), (230, 3914), (380, 2369), (412, 2185), (437, 2060), (460, 1957), (515, 1748), (874, 1030)]