253015028

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 534915360

約数和(自身を除く): 281900332

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 139, 148, 196, 251, 259, 278, 502, 518, 556, 973, 1004, 1036, 1757, 1813, 1946, 3514, 3626, 3892, 5143, 6811, 7028, 7252, 9287, 10286, 12299, 13622, 18574, 20572, 24598, 27244, 34889, 36001, 37148, 49196, 65009, 69778, 72002, 130018, 139556, 144004, 244223, 252007, 260036, 455063, 488446, 504014, 910126, 976892, 1008028, 1290893, 1709561, 1820252, 2581786, 3419122, 5163572, 6838244, 9036251, 18072502, 36145004, 63253757, 126507514, 253015028]

約数ペア:

[(1, 253015028), (2, 126507514), (4, 63253757), (7, 36145004), (14, 18072502), (28, 9036251), (37, 6838244), (49, 5163572), (74, 3419122), (98, 2581786), (139, 1820252), (148, 1709561), (196, 1290893), (251, 1008028), (259, 976892), (278, 910126), (502, 504014), (518, 488446), (556, 455063), (973, 260036), (1004, 252007), (1036, 244223), (1757, 144004), (1813, 139556), (1946, 130018), (3514, 72002), (3626, 69778), (3892, 65009), (5143, 49196), (6811, 37148), (7028, 36001), (7252, 34889), (9287, 27244), (10286, 24598), (12299, 20572), (13622, 18574)]