28837820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6899}}^1$

素因数の和:6938

約数の個数: 48

約数和(自身を含む): 69552000

約数和(自身を除く): 40714180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 6899, 13798, 27596, 34495, 68990, 75889, 131081, 137980, 151778, 262162, 303556, 379445, 524324, 655405, 758890, 1310810, 1441891, 1517780, 2621620, 2883782, 5767564, 7209455, 14418910, 28837820]

約数ペア:

[(1, 28837820), (2, 14418910), (4, 7209455), (5, 5767564), (10, 2883782), (11, 2621620), (19, 1517780), (20, 1441891), (22, 1310810), (38, 758890), (44, 655405), (55, 524324), (76, 379445), (95, 303556), (110, 262162), (190, 151778), (209, 137980), (220, 131081), (380, 75889), (418, 68990), (836, 34495), (1045, 27596), (2090, 13798), (4180, 6899)]