1643288020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{41729}}^1$

素因数の和:41928

約数の個数: 48

約数和(自身を含む): 3785745600

約数和(自身を除く): 2142457580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 716, 895, 1790, 1969, 3580, 3938, 7876, 9845, 19690, 39380, 41729, 83458, 166916, 208645, 417290, 459019, 834580, 918038, 1836076, 2295095, 4590190, 7469491, 9180380, 14938982, 29877964, 37347455, 74694910, 82164401, 149389820, 164328802, 328657604, 410822005, 821644010, 1643288020]

約数ペア:

[(1, 1643288020), (2, 821644010), (4, 410822005), (5, 328657604), (10, 164328802), (11, 149389820), (20, 82164401), (22, 74694910), (44, 37347455), (55, 29877964), (110, 14938982), (179, 9180380), (220, 7469491), (358, 4590190), (716, 2295095), (895, 1836076), (1790, 918038), (1969, 834580), (3580, 459019), (3938, 417290), (7876, 208645), (9845, 166916), (19690, 83458), (39380, 41729)]