66198220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1259}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 152409600

約数和(自身を除く): 86211380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 239, 478, 956, 1195, 1259, 2390, 2518, 2629, 4780, 5036, 5258, 6295, 10516, 12590, 13145, 13849, 25180, 26290, 27698, 52580, 55396, 69245, 138490, 276980, 300901, 601802, 1203604, 1504505, 3009010, 3309911, 6018020, 6619822, 13239644, 16549555, 33099110, 66198220]

約数ペア:

[(1, 66198220), (2, 33099110), (4, 16549555), (5, 13239644), (10, 6619822), (11, 6018020), (20, 3309911), (22, 3009010), (44, 1504505), (55, 1203604), (110, 601802), (220, 300901), (239, 276980), (478, 138490), (956, 69245), (1195, 55396), (1259, 52580), (2390, 27698), (2518, 26290), (2629, 25180), (4780, 13849), (5036, 13145), (5258, 12590), (6295, 10516)]