238273280

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:195

約数の個数: 216

約数和(自身を含む): 692057520

約数和(自身を除く): 453784240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 64, 70, 80, 98, 112, 116, 128, 131, 140, 145, 160, 196, 203, 224, 232, 245, 256, 262, 280, 290, 320, 392, 406, 448, 464, 490, 524, 560, 580, 640, 655, 784, 812, 896, 917, 928, 980, 1015, 1048, 1120, 1160, 1280, 1310, 1421, 1568, 1624, 1792, 1834, 1856, 1960, 2030, 2096, 2240, 2320, 2620, 2842, 3136, 3248, 3668, 3712, 3799, 3920, 4060, 4192, 4480, 4585, 4640, 5240, 5684, 6272, 6419, 6496, 7105, 7336, 7424, 7598, 7840, 8120, 8384, 8960, 9170, 9280, 10480, 11368, 12544, 12838, 12992, 14210, 14672, 15196, 15680, 16240, 16768, 18340, 18560, 18995, 20960, 22736, 25676, 25984, 26593, 28420, 29344, 30392, 31360, 32095, 32480, 33536, 36680, 37120, 37990, 41920, 45472, 51352, 51968, 53186, 56840, 58688, 60784, 62720, 64190, 64960, 73360, 75980, 83840, 90944, 102704, 106372, 113680, 117376, 121568, 128380, 129920, 132965, 146720, 151960, 167680, 181888, 186151, 205408, 212744, 227360, 234752, 243136, 256760, 259840, 265930, 293440, 303920, 363776, 372302, 410816, 425488, 454720, 486272, 513520, 531860, 586880, 607840, 744604, 821632, 850976, 909440, 930755, 972544, 1027040, 1063720, 1173760, 1215680, 1489208, 1643264, 1701952, 1818880, 1861510, 2054080, 2127440, 2431360, 2978416, 3403904, 3723020, 4108160, 4254880, 4862720, 5956832, 6807808, 7446040, 8216320, 8509760, 11913664, 14892080, 17019520, 23827328, 29784160, 34039040, 47654656, 59568320, 119136640, 238273280]

約数ペア:

[(1, 238273280), (2, 119136640), (4, 59568320), (5, 47654656), (7, 34039040), (8, 29784160), (10, 23827328), (14, 17019520), (16, 14892080), (20, 11913664), (28, 8509760), (29, 8216320), (32, 7446040), (35, 6807808), (40, 5956832), (49, 4862720), (56, 4254880), (58, 4108160), (64, 3723020), (70, 3403904), (80, 2978416), (98, 2431360), (112, 2127440), (116, 2054080), (128, 1861510), (131, 1818880), (140, 1701952), (145, 1643264), (160, 1489208), (196, 1215680), (203, 1173760), (224, 1063720), (232, 1027040), (245, 972544), (256, 930755), (262, 909440), (280, 850976), (290, 821632), (320, 744604), (392, 607840), (406, 586880), (448, 531860), (464, 513520), (490, 486272), (524, 454720), (560, 425488), (580, 410816), (640, 372302), (655, 363776), (784, 303920), (812, 293440), (896, 265930), (917, 259840), (928, 256760), (980, 243136), (1015, 234752), (1048, 227360), (1120, 212744), (1160, 205408), (1280, 186151), (1310, 181888), (1421, 167680), (1568, 151960), (1624, 146720), (1792, 132965), (1834, 129920), (1856, 128380), (1960, 121568), (2030, 117376), (2096, 113680), (2240, 106372), (2320, 102704), (2620, 90944), (2842, 83840), (3136, 75980), (3248, 73360), (3668, 64960), (3712, 64190), (3799, 62720), (3920, 60784), (4060, 58688), (4192, 56840), (4480, 53186), (4585, 51968), (4640, 51352), (5240, 45472), (5684, 41920), (6272, 37990), (6419, 37120), (6496, 36680), (7105, 33536), (7336, 32480), (7424, 32095), (7598, 31360), (7840, 30392), (8120, 29344), (8384, 28420), (8960, 26593), (9170, 25984), (9280, 25676), (10480, 22736), (11368, 20960), (12544, 18995), (12838, 18560), (12992, 18340), (14210, 16768), (14672, 16240), (15196, 15680)]