161233900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{22709}}^1$

素因数の和:22794

約数の個数: 36

約数和(自身を含む): 354821040

約数和(自身を除く): 193587140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 22709, 45418, 90836, 113545, 227090, 454180, 567725, 1135450, 1612339, 2270900, 3224678, 6449356, 8061695, 16123390, 32246780, 40308475, 80616950, 161233900]

約数ペア:

[(1, 161233900), (2, 80616950), (4, 40308475), (5, 32246780), (10, 16123390), (20, 8061695), (25, 6449356), (50, 3224678), (71, 2270900), (100, 1612339), (142, 1135450), (284, 567725), (355, 454180), (710, 227090), (1420, 113545), (1775, 90836), (3550, 45418), (7100, 22709)]