73216420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{439}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 159667200

約数和(自身を除く): 86450780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 269, 310, 439, 538, 620, 878, 1076, 1345, 1756, 2195, 2690, 4390, 5380, 8339, 8780, 13609, 16678, 27218, 33356, 41695, 54436, 68045, 83390, 118091, 136090, 166780, 236182, 272180, 472364, 590455, 1180910, 2361820, 3660821, 7321642, 14643284, 18304105, 36608210, 73216420]

約数ペア:

[(1, 73216420), (2, 36608210), (4, 18304105), (5, 14643284), (10, 7321642), (20, 3660821), (31, 2361820), (62, 1180910), (124, 590455), (155, 472364), (269, 272180), (310, 236182), (439, 166780), (538, 136090), (620, 118091), (878, 83390), (1076, 68045), (1345, 54436), (1756, 41695), (2195, 33356), (2690, 27218), (4390, 16678), (5380, 13609), (8339, 8780)]