2101000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{191}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 5391360

約数和(自身を除く): 3290360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 191, 200, 220, 250, 275, 382, 440, 500, 550, 764, 955, 1000, 1100, 1375, 1528, 1910, 2101, 2200, 2750, 3820, 4202, 4775, 5500, 7640, 8404, 9550, 10505, 11000, 16808, 19100, 21010, 23875, 38200, 42020, 47750, 52525, 84040, 95500, 105050, 191000, 210100, 262625, 420200, 525250, 1050500, 2101000]

約数ペア:

[(1, 2101000), (2, 1050500), (4, 525250), (5, 420200), (8, 262625), (10, 210100), (11, 191000), (20, 105050), (22, 95500), (25, 84040), (40, 52525), (44, 47750), (50, 42020), (55, 38200), (88, 23875), (100, 21010), (110, 19100), (125, 16808), (191, 11000), (200, 10505), (220, 9550), (250, 8404), (275, 7640), (382, 5500), (440, 4775), (500, 4202), (550, 3820), (764, 2750), (955, 2200), (1000, 2101), (1100, 1910), (1375, 1528)]