208024240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{152959}}^1$

素因数の和:152989

約数の個数: 40

約数和(自身を含む): 512110080

約数和(自身を除く): 304085840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 152959, 305918, 611836, 764795, 1223672, 1529590, 2447344, 2600303, 3059180, 5200606, 6118360, 10401212, 12236720, 13001515, 20802424, 26003030, 41604848, 52006060, 104012120, 208024240]

約数ペア:

[(1, 208024240), (2, 104012120), (4, 52006060), (5, 41604848), (8, 26003030), (10, 20802424), (16, 13001515), (17, 12236720), (20, 10401212), (34, 6118360), (40, 5200606), (68, 3059180), (80, 2600303), (85, 2447344), (136, 1529590), (170, 1223672), (272, 764795), (340, 611836), (680, 305918), (1360, 152959)]