220129720

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{189767}}^1$

素因数の和:189807

約数の個数: 32

約数和(自身を含む): 512373600

約数和(自身を除く): 292243880

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 189767, 379534, 759068, 948835, 1518136, 1897670, 3795340, 5503243, 7590680, 11006486, 22012972, 27516215, 44025944, 55032430, 110064860, 220129720]

約数ペア:

[(1, 220129720), (2, 110064860), (4, 55032430), (5, 44025944), (8, 27516215), (10, 22012972), (20, 11006486), (29, 7590680), (40, 5503243), (58, 3795340), (116, 1897670), (145, 1518136), (232, 948835), (290, 759068), (580, 379534), (1160, 189767)]