2170190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 4324320

約数和(自身を除く): 2154130

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 181, 218, 362, 545, 905, 1090, 1199, 1810, 1991, 2398, 3982, 5995, 9955, 11990, 19729, 19910, 39458, 98645, 197290, 217019, 434038, 1085095, 2170190]

約数ペア:

[(1, 2170190), (2, 1085095), (5, 434038), (10, 217019), (11, 197290), (22, 98645), (55, 39458), (109, 19910), (110, 19729), (181, 11990), (218, 9955), (362, 5995), (545, 3982), (905, 2398), (1090, 1991), (1199, 1810)]