209854480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{238471}}^1$

素因数の和:238495

約数の個数: 40

約数和(自身を含む): 532269504

約数和(自身を除く): 322415024

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 238471, 476942, 953884, 1192355, 1907768, 2384710, 2623181, 3815536, 4769420, 5246362, 9538840, 10492724, 13115905, 19077680, 20985448, 26231810, 41970896, 52463620, 104927240, 209854480]

約数ペア:

[(1, 209854480), (2, 104927240), (4, 52463620), (5, 41970896), (8, 26231810), (10, 20985448), (11, 19077680), (16, 13115905), (20, 10492724), (22, 9538840), (40, 5246362), (44, 4769420), (55, 3815536), (80, 2623181), (88, 2384710), (110, 1907768), (176, 1192355), (220, 953884), (440, 476942), (880, 238471)]