2156088310

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{643}}^1$

素因数の和:973

約数の個数: 64

約数和(自身を含む): 4139735040

約数和(自身を除く): 1983646730

約数列:

[1, 2, 5, 10, 23, 46, 61, 115, 122, 230, 239, 305, 478, 610, 643, 1195, 1286, 1403, 2390, 2806, 3215, 5497, 6430, 7015, 10994, 14030, 14579, 14789, 27485, 29158, 29578, 39223, 54970, 72895, 73945, 78446, 145790, 147890, 153677, 196115, 307354, 335317, 392230, 670634, 768385, 902129, 1536770, 1676585, 1804258, 3353170, 3534571, 4510645, 7069142, 9021290, 9374297, 17672855, 18748594, 35345710, 46871485, 93742970, 215608831, 431217662, 1078044155, 2156088310]

約数ペア:

[(1, 2156088310), (2, 1078044155), (5, 431217662), (10, 215608831), (23, 93742970), (46, 46871485), (61, 35345710), (115, 18748594), (122, 17672855), (230, 9374297), (239, 9021290), (305, 7069142), (478, 4510645), (610, 3534571), (643, 3353170), (1195, 1804258), (1286, 1676585), (1403, 1536770), (2390, 902129), (2806, 768385), (3215, 670634), (5497, 392230), (6430, 335317), (7015, 307354), (10994, 196115), (14030, 153677), (14579, 147890), (14789, 145790), (27485, 78446), (29158, 73945), (29578, 72895), (39223, 54970)]