197900280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:331

約数の個数: 256

約数和(自身を含む): 713318400

約数和(自身を除く): 515418120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 31, 36, 40, 45, 46, 54, 60, 62, 69, 72, 90, 92, 93, 108, 115, 120, 124, 135, 138, 155, 180, 184, 186, 207, 216, 230, 248, 257, 270, 276, 279, 310, 345, 360, 372, 414, 460, 465, 514, 540, 552, 558, 620, 621, 690, 713, 744, 771, 828, 837, 920, 930, 1028, 1035, 1080, 1116, 1240, 1242, 1285, 1380, 1395, 1426, 1542, 1656, 1674, 1860, 2056, 2070, 2139, 2232, 2313, 2484, 2570, 2760, 2790, 2852, 3084, 3105, 3348, 3565, 3720, 3855, 4140, 4185, 4278, 4626, 4968, 5140, 5580, 5704, 5911, 6168, 6210, 6417, 6696, 6939, 7130, 7710, 7967, 8280, 8370, 8556, 9252, 10280, 10695, 11160, 11565, 11822, 12420, 12834, 13878, 14260, 15420, 15934, 16740, 17112, 17733, 18504, 19251, 21390, 23130, 23644, 23901, 24840, 25668, 27756, 28520, 29555, 30840, 31868, 32085, 33480, 34695, 35466, 38502, 39835, 42780, 46260, 47288, 47802, 51336, 53199, 55512, 59110, 63736, 64170, 69390, 70932, 71703, 77004, 79670, 85560, 88665, 92520, 95604, 96255, 106398, 118220, 119505, 128340, 138780, 141864, 143406, 154008, 159340, 159597, 177330, 183241, 191208, 192510, 212796, 215109, 236440, 239010, 256680, 265995, 277560, 286812, 318680, 319194, 354660, 358515, 366482, 385020, 425592, 430218, 478020, 531990, 549723, 573624, 638388, 709320, 717030, 732964, 770040, 797985, 860436, 916205, 956040, 1063980, 1075545, 1099446, 1276776, 1434060, 1465928, 1595970, 1649169, 1720872, 1832410, 2127960, 2151090, 2198892, 2748615, 2868120, 3191940, 3298338, 3664820, 4302180, 4397784, 4947507, 5497230, 6383880, 6596676, 7329640, 8245845, 8604360, 9895014, 10994460, 13193352, 16491690, 19790028, 21988920, 24737535, 32983380, 39580056, 49475070, 65966760, 98950140, 197900280]

約数ペア:

[(1, 197900280), (2, 98950140), (3, 65966760), (4, 49475070), (5, 39580056), (6, 32983380), (8, 24737535), (9, 21988920), (10, 19790028), (12, 16491690), (15, 13193352), (18, 10994460), (20, 9895014), (23, 8604360), (24, 8245845), (27, 7329640), (30, 6596676), (31, 6383880), (36, 5497230), (40, 4947507), (45, 4397784), (46, 4302180), (54, 3664820), (60, 3298338), (62, 3191940), (69, 2868120), (72, 2748615), (90, 2198892), (92, 2151090), (93, 2127960), (108, 1832410), (115, 1720872), (120, 1649169), (124, 1595970), (135, 1465928), (138, 1434060), (155, 1276776), (180, 1099446), (184, 1075545), (186, 1063980), (207, 956040), (216, 916205), (230, 860436), (248, 797985), (257, 770040), (270, 732964), (276, 717030), (279, 709320), (310, 638388), (345, 573624), (360, 549723), (372, 531990), (414, 478020), (460, 430218), (465, 425592), (514, 385020), (540, 366482), (552, 358515), (558, 354660), (620, 319194), (621, 318680), (690, 286812), (713, 277560), (744, 265995), (771, 256680), (828, 239010), (837, 236440), (920, 215109), (930, 212796), (1028, 192510), (1035, 191208), (1080, 183241), (1116, 177330), (1240, 159597), (1242, 159340), (1285, 154008), (1380, 143406), (1395, 141864), (1426, 138780), (1542, 128340), (1656, 119505), (1674, 118220), (1860, 106398), (2056, 96255), (2070, 95604), (2139, 92520), (2232, 88665), (2313, 85560), (2484, 79670), (2570, 77004), (2760, 71703), (2790, 70932), (2852, 69390), (3084, 64170), (3105, 63736), (3348, 59110), (3565, 55512), (3720, 53199), (3855, 51336), (4140, 47802), (4185, 47288), (4278, 46260), (4626, 42780), (4968, 39835), (5140, 38502), (5580, 35466), (5704, 34695), (5911, 33480), (6168, 32085), (6210, 31868), (6417, 30840), (6696, 29555), (6939, 28520), (7130, 27756), (7710, 25668), (7967, 24840), (8280, 23901), (8370, 23644), (8556, 23130), (9252, 21390), (10280, 19251), (10695, 18504), (11160, 17733), (11565, 17112), (11822, 16740), (12420, 15934), (12834, 15420), (13878, 14260)]