253093820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{6299}}^1$

素因数の和:6363

約数の個数: 72

約数和(自身を含む): 633452400

約数和(自身を除く): 380358580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2870, 4018, 5740, 6299, 8036, 10045, 12598, 20090, 25196, 31495, 40180, 44093, 62990, 88186, 125980, 176372, 220465, 258259, 308651, 440930, 516518, 617302, 881860, 1033036, 1234604, 1291295, 1543255, 1807813, 2582590, 3086510, 3615626, 5165180, 6173020, 7231252, 9039065, 12654691, 18078130, 25309382, 36156260, 50618764, 63273455, 126546910, 253093820]

約数ペア:

[(1, 253093820), (2, 126546910), (4, 63273455), (5, 50618764), (7, 36156260), (10, 25309382), (14, 18078130), (20, 12654691), (28, 9039065), (35, 7231252), (41, 6173020), (49, 5165180), (70, 3615626), (82, 3086510), (98, 2582590), (140, 1807813), (164, 1543255), (196, 1291295), (205, 1234604), (245, 1033036), (287, 881860), (410, 617302), (490, 516518), (574, 440930), (820, 308651), (980, 258259), (1148, 220465), (1435, 176372), (2009, 125980), (2870, 88186), (4018, 62990), (5740, 44093), (6299, 40180), (8036, 31495), (10045, 25196), (12598, 20090)]