3445640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 8709120

約数和(自身を除く): 5263480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 41, 44, 55, 82, 88, 110, 164, 191, 205, 220, 328, 382, 410, 440, 451, 764, 820, 902, 955, 1528, 1640, 1804, 1910, 2101, 2255, 3608, 3820, 4202, 4510, 7640, 7831, 8404, 9020, 10505, 15662, 16808, 18040, 21010, 31324, 39155, 42020, 62648, 78310, 84040, 86141, 156620, 172282, 313240, 344564, 430705, 689128, 861410, 1722820, 3445640]

約数ペア:

[(1, 3445640), (2, 1722820), (4, 861410), (5, 689128), (8, 430705), (10, 344564), (11, 313240), (20, 172282), (22, 156620), (40, 86141), (41, 84040), (44, 78310), (55, 62648), (82, 42020), (88, 39155), (110, 31324), (164, 21010), (191, 18040), (205, 16808), (220, 15662), (328, 10505), (382, 9020), (410, 8404), (440, 7831), (451, 7640), (764, 4510), (820, 4202), (902, 3820), (955, 3608), (1528, 2255), (1640, 2101), (1804, 1910)]