420200

素因数分解:

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

素因数の和:218

約数の個数: 48

約数和(自身を含む): 1071360

約数和(自身を除く): 651160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 191, 200, 220, 275, 382, 440, 550, 764, 955, 1100, 1528, 1910, 2101, 2200, 3820, 4202, 4775, 7640, 8404, 9550, 10505, 16808, 19100, 21010, 38200, 42020, 52525, 84040, 105050, 210100, 420200]

約数ペア:

[(1, 420200), (2, 210100), (4, 105050), (5, 84040), (8, 52525), (10, 42020), (11, 38200), (20, 21010), (22, 19100), (25, 16808), (40, 10505), (44, 9550), (50, 8404), (55, 7640), (88, 4775), (100, 4202), (110, 3820), (191, 2200), (200, 2101), (220, 1910), (275, 1528), (382, 1100), (440, 955), (550, 764)]