208455800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:358

約数の個数: 144

約数和(自身を含む): 572508000

約数和(自身を除く): 364052200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 89, 98, 100, 140, 175, 178, 196, 200, 239, 245, 280, 350, 356, 392, 445, 478, 490, 623, 700, 712, 890, 956, 980, 1195, 1225, 1246, 1400, 1673, 1780, 1912, 1960, 2225, 2390, 2450, 2492, 3115, 3346, 3560, 4361, 4450, 4780, 4900, 4984, 5975, 6230, 6692, 8365, 8722, 8900, 9560, 9800, 11711, 11950, 12460, 13384, 15575, 16730, 17444, 17800, 21271, 21805, 23422, 23900, 24920, 31150, 33460, 34888, 41825, 42542, 43610, 46844, 47800, 58555, 62300, 66920, 83650, 85084, 87220, 93688, 106355, 109025, 117110, 124600, 148897, 167300, 170168, 174440, 212710, 218050, 234220, 292775, 297794, 334600, 425420, 436100, 468440, 531775, 585550, 595588, 744485, 850840, 872200, 1042279, 1063550, 1171100, 1191176, 1488970, 2084558, 2127100, 2342200, 2977940, 3722425, 4169116, 4254200, 5211395, 5955880, 7444850, 8338232, 10422790, 14889700, 20845580, 26056975, 29779400, 41691160, 52113950, 104227900, 208455800]

約数ペア:

[(1, 208455800), (2, 104227900), (4, 52113950), (5, 41691160), (7, 29779400), (8, 26056975), (10, 20845580), (14, 14889700), (20, 10422790), (25, 8338232), (28, 7444850), (35, 5955880), (40, 5211395), (49, 4254200), (50, 4169116), (56, 3722425), (70, 2977940), (89, 2342200), (98, 2127100), (100, 2084558), (140, 1488970), (175, 1191176), (178, 1171100), (196, 1063550), (200, 1042279), (239, 872200), (245, 850840), (280, 744485), (350, 595588), (356, 585550), (392, 531775), (445, 468440), (478, 436100), (490, 425420), (623, 334600), (700, 297794), (712, 292775), (890, 234220), (956, 218050), (980, 212710), (1195, 174440), (1225, 170168), (1246, 167300), (1400, 148897), (1673, 124600), (1780, 117110), (1912, 109025), (1960, 106355), (2225, 93688), (2390, 87220), (2450, 85084), (2492, 83650), (3115, 66920), (3346, 62300), (3560, 58555), (4361, 47800), (4450, 46844), (4780, 43610), (4900, 42542), (4984, 41825), (5975, 34888), (6230, 33460), (6692, 31150), (8365, 24920), (8722, 23900), (8900, 23422), (9560, 21805), (9800, 21271), (11711, 17800), (11950, 17444), (12460, 16730), (13384, 15575)]