205477860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:370

約数の個数: 192

約数和(自身を含む): 696729600

約数和(自身を除く): 491251740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 89, 92, 105, 115, 138, 140, 161, 178, 210, 230, 239, 267, 276, 322, 345, 356, 420, 445, 460, 478, 483, 534, 623, 644, 690, 717, 805, 890, 956, 966, 1068, 1195, 1246, 1335, 1380, 1434, 1610, 1673, 1780, 1869, 1932, 2047, 2390, 2415, 2492, 2670, 2868, 3115, 3220, 3346, 3585, 3738, 4094, 4780, 4830, 5019, 5340, 5497, 6141, 6230, 6692, 7170, 7476, 8188, 8365, 9345, 9660, 10038, 10235, 10994, 12282, 12460, 14329, 14340, 16491, 16730, 18690, 20076, 20470, 21271, 21988, 24564, 25095, 27485, 28658, 30705, 32982, 33460, 37380, 38479, 40940, 42542, 42987, 50190, 54970, 57316, 61410, 63813, 65964, 71645, 76958, 82455, 85084, 85974, 100380, 106355, 109940, 115437, 122820, 127626, 143290, 148897, 153916, 164910, 171948, 192395, 212710, 214935, 230874, 255252, 286580, 297794, 319065, 329820, 384790, 425420, 429870, 446691, 461748, 489233, 577185, 595588, 638130, 744485, 769580, 859740, 893382, 978466, 1154370, 1276260, 1467699, 1488970, 1786764, 1956932, 2233455, 2308740, 2446165, 2935398, 2977940, 3424631, 4466910, 4892330, 5870796, 6849262, 7338495, 8933820, 9784660, 10273893, 13698524, 14676990, 17123155, 20547786, 29353980, 34246310, 41095572, 51369465, 68492620, 102738930, 205477860]

約数ペア:

[(1, 205477860), (2, 102738930), (3, 68492620), (4, 51369465), (5, 41095572), (6, 34246310), (7, 29353980), (10, 20547786), (12, 17123155), (14, 14676990), (15, 13698524), (20, 10273893), (21, 9784660), (23, 8933820), (28, 7338495), (30, 6849262), (35, 5870796), (42, 4892330), (46, 4466910), (60, 3424631), (69, 2977940), (70, 2935398), (84, 2446165), (89, 2308740), (92, 2233455), (105, 1956932), (115, 1786764), (138, 1488970), (140, 1467699), (161, 1276260), (178, 1154370), (210, 978466), (230, 893382), (239, 859740), (267, 769580), (276, 744485), (322, 638130), (345, 595588), (356, 577185), (420, 489233), (445, 461748), (460, 446691), (478, 429870), (483, 425420), (534, 384790), (623, 329820), (644, 319065), (690, 297794), (717, 286580), (805, 255252), (890, 230874), (956, 214935), (966, 212710), (1068, 192395), (1195, 171948), (1246, 164910), (1335, 153916), (1380, 148897), (1434, 143290), (1610, 127626), (1673, 122820), (1780, 115437), (1869, 109940), (1932, 106355), (2047, 100380), (2390, 85974), (2415, 85084), (2492, 82455), (2670, 76958), (2868, 71645), (3115, 65964), (3220, 63813), (3346, 61410), (3585, 57316), (3738, 54970), (4094, 50190), (4780, 42987), (4830, 42542), (5019, 40940), (5340, 38479), (5497, 37380), (6141, 33460), (6230, 32982), (6692, 30705), (7170, 28658), (7476, 27485), (8188, 25095), (8365, 24564), (9345, 21988), (9660, 21271), (10038, 20470), (10235, 20076), (10994, 18690), (12282, 16730), (12460, 16491), (14329, 14340)]