4202000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{191}}^1$

素因数の和:225

約数の個数: 80

約数和(自身を含む): 11142144

約数和(自身を除く): 6940144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 191, 200, 220, 250, 275, 382, 400, 440, 500, 550, 764, 880, 955, 1000, 1100, 1375, 1528, 1910, 2000, 2101, 2200, 2750, 3056, 3820, 4202, 4400, 4775, 5500, 7640, 8404, 9550, 10505, 11000, 15280, 16808, 19100, 21010, 22000, 23875, 33616, 38200, 42020, 47750, 52525, 76400, 84040, 95500, 105050, 168080, 191000, 210100, 262625, 382000, 420200, 525250, 840400, 1050500, 2101000, 4202000]

約数ペア:

[(1, 4202000), (2, 2101000), (4, 1050500), (5, 840400), (8, 525250), (10, 420200), (11, 382000), (16, 262625), (20, 210100), (22, 191000), (25, 168080), (40, 105050), (44, 95500), (50, 84040), (55, 76400), (80, 52525), (88, 47750), (100, 42020), (110, 38200), (125, 33616), (176, 23875), (191, 22000), (200, 21010), (220, 19100), (250, 16808), (275, 15280), (382, 11000), (400, 10505), (440, 9550), (500, 8404), (550, 7640), (764, 5500), (880, 4775), (955, 4400), (1000, 4202), (1100, 3820), (1375, 3056), (1528, 2750), (1910, 2200), (2000, 2101)]