251254008

素因数分解:

$2^3\times 3^3\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:442

約数の個数: 128

約数和(自身を含む): 728064000

約数和(自身を除く): 476809992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 54, 62, 72, 93, 108, 124, 157, 186, 216, 239, 248, 279, 314, 372, 471, 478, 558, 628, 717, 744, 837, 942, 956, 1116, 1256, 1413, 1434, 1674, 1884, 1912, 2151, 2232, 2826, 2868, 3348, 3768, 4239, 4302, 4867, 5652, 5736, 6453, 6696, 7409, 8478, 8604, 9734, 11304, 12906, 14601, 14818, 16956, 17208, 19468, 22227, 25812, 29202, 29636, 33912, 37523, 38936, 43803, 44454, 51624, 58404, 59272, 66681, 75046, 87606, 88908, 112569, 116808, 131409, 133362, 150092, 175212, 177816, 200043, 225138, 262818, 266724, 300184, 337707, 350424, 400086, 450276, 525636, 533448, 675414, 800172, 900552, 1013121, 1051272, 1163213, 1350828, 1600344, 2026242, 2326426, 2701656, 3489639, 4052484, 4652852, 6979278, 8104968, 9305704, 10468917, 13958556, 20937834, 27917112, 31406751, 41875668, 62813502, 83751336, 125627004, 251254008]

約数ペア:

[(1, 251254008), (2, 125627004), (3, 83751336), (4, 62813502), (6, 41875668), (8, 31406751), (9, 27917112), (12, 20937834), (18, 13958556), (24, 10468917), (27, 9305704), (31, 8104968), (36, 6979278), (54, 4652852), (62, 4052484), (72, 3489639), (93, 2701656), (108, 2326426), (124, 2026242), (157, 1600344), (186, 1350828), (216, 1163213), (239, 1051272), (248, 1013121), (279, 900552), (314, 800172), (372, 675414), (471, 533448), (478, 525636), (558, 450276), (628, 400086), (717, 350424), (744, 337707), (837, 300184), (942, 266724), (956, 262818), (1116, 225138), (1256, 200043), (1413, 177816), (1434, 175212), (1674, 150092), (1884, 133362), (1912, 131409), (2151, 116808), (2232, 112569), (2826, 88908), (2868, 87606), (3348, 75046), (3768, 66681), (4239, 59272), (4302, 58404), (4867, 51624), (5652, 44454), (5736, 43803), (6453, 38936), (6696, 37523), (7409, 33912), (8478, 29636), (8604, 29202), (9734, 25812), (11304, 22227), (12906, 19468), (14601, 17208), (14818, 16956)]