72725800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 202604220

約数和(自身を除く): 129878420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 41, 49, 50, 56, 70, 82, 98, 100, 140, 164, 175, 181, 196, 200, 205, 245, 280, 287, 328, 350, 362, 392, 410, 490, 574, 700, 724, 820, 905, 980, 1025, 1148, 1225, 1267, 1400, 1435, 1448, 1640, 1810, 1960, 2009, 2050, 2296, 2450, 2534, 2870, 3620, 4018, 4100, 4525, 4900, 5068, 5740, 6335, 7175, 7240, 7421, 8036, 8200, 8869, 9050, 9800, 10045, 10136, 11480, 12670, 14350, 14842, 16072, 17738, 18100, 20090, 25340, 28700, 29684, 31675, 35476, 36200, 37105, 40180, 44345, 50225, 50680, 51947, 57400, 59368, 63350, 70952, 74210, 80360, 88690, 100450, 103894, 126700, 148420, 177380, 185525, 200900, 207788, 221725, 253400, 259735, 296840, 354760, 363629, 371050, 401800, 415576, 443450, 519470, 727258, 742100, 886900, 1038940, 1298675, 1454516, 1484200, 1773800, 1818145, 2077880, 2597350, 2909032, 3636290, 5194700, 7272580, 9090725, 10389400, 14545160, 18181450, 36362900, 72725800]

約数ペア:

[(1, 72725800), (2, 36362900), (4, 18181450), (5, 14545160), (7, 10389400), (8, 9090725), (10, 7272580), (14, 5194700), (20, 3636290), (25, 2909032), (28, 2597350), (35, 2077880), (40, 1818145), (41, 1773800), (49, 1484200), (50, 1454516), (56, 1298675), (70, 1038940), (82, 886900), (98, 742100), (100, 727258), (140, 519470), (164, 443450), (175, 415576), (181, 401800), (196, 371050), (200, 363629), (205, 354760), (245, 296840), (280, 259735), (287, 253400), (328, 221725), (350, 207788), (362, 200900), (392, 185525), (410, 177380), (490, 148420), (574, 126700), (700, 103894), (724, 100450), (820, 88690), (905, 80360), (980, 74210), (1025, 70952), (1148, 63350), (1225, 59368), (1267, 57400), (1400, 51947), (1435, 50680), (1448, 50225), (1640, 44345), (1810, 40180), (1960, 37105), (2009, 36200), (2050, 35476), (2296, 31675), (2450, 29684), (2534, 28700), (2870, 25340), (3620, 20090), (4018, 18100), (4100, 17738), (4525, 16072), (4900, 14842), (5068, 14350), (5740, 12670), (6335, 11480), (7175, 10136), (7240, 10045), (7421, 9800), (8036, 9050), (8200, 8869)]