38199420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 216

約数和(自身を含む): 138928608

約数和(自身を除く): 100729188

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 61, 63, 70, 71, 84, 90, 98, 105, 122, 126, 140, 142, 147, 180, 183, 196, 210, 213, 244, 245, 252, 284, 294, 305, 315, 355, 366, 420, 426, 427, 441, 490, 497, 549, 588, 610, 630, 639, 710, 732, 735, 852, 854, 882, 915, 980, 994, 1065, 1098, 1220, 1260, 1278, 1281, 1420, 1470, 1491, 1708, 1764, 1830, 1988, 2130, 2135, 2196, 2205, 2485, 2556, 2562, 2745, 2940, 2982, 2989, 3195, 3479, 3660, 3843, 4260, 4270, 4331, 4410, 4473, 4970, 5124, 5490, 5964, 5978, 6390, 6405, 6958, 7455, 7686, 8540, 8662, 8820, 8946, 8967, 9940, 10437, 10980, 11956, 12780, 12810, 12993, 13916, 14910, 14945, 15372, 17324, 17395, 17892, 17934, 19215, 20874, 21655, 22365, 25620, 25986, 26901, 29820, 29890, 30317, 31311, 34790, 35868, 38430, 38979, 41748, 43310, 44730, 44835, 51972, 52185, 53802, 59780, 60634, 62622, 64965, 69580, 76860, 77958, 86620, 89460, 89670, 90951, 104370, 107604, 121268, 125244, 129930, 134505, 151585, 155916, 156555, 179340, 181902, 194895, 208740, 212219, 259860, 269010, 272853, 303170, 313110, 363804, 389790, 424438, 454755, 538020, 545706, 606340, 626220, 636657, 779580, 848876, 909510, 1061095, 1091412, 1273314, 1364265, 1819020, 1909971, 2122190, 2546628, 2728530, 3183285, 3819942, 4244380, 5457060, 6366570, 7639884, 9549855, 12733140, 19099710, 38199420]

約数ペア:

[(1, 38199420), (2, 19099710), (3, 12733140), (4, 9549855), (5, 7639884), (6, 6366570), (7, 5457060), (9, 4244380), (10, 3819942), (12, 3183285), (14, 2728530), (15, 2546628), (18, 2122190), (20, 1909971), (21, 1819020), (28, 1364265), (30, 1273314), (35, 1091412), (36, 1061095), (42, 909510), (45, 848876), (49, 779580), (60, 636657), (61, 626220), (63, 606340), (70, 545706), (71, 538020), (84, 454755), (90, 424438), (98, 389790), (105, 363804), (122, 313110), (126, 303170), (140, 272853), (142, 269010), (147, 259860), (180, 212219), (183, 208740), (196, 194895), (210, 181902), (213, 179340), (244, 156555), (245, 155916), (252, 151585), (284, 134505), (294, 129930), (305, 125244), (315, 121268), (355, 107604), (366, 104370), (420, 90951), (426, 89670), (427, 89460), (441, 86620), (490, 77958), (497, 76860), (549, 69580), (588, 64965), (610, 62622), (630, 60634), (639, 59780), (710, 53802), (732, 52185), (735, 51972), (852, 44835), (854, 44730), (882, 43310), (915, 41748), (980, 38979), (994, 38430), (1065, 35868), (1098, 34790), (1220, 31311), (1260, 30317), (1278, 29890), (1281, 29820), (1420, 26901), (1470, 25986), (1491, 25620), (1708, 22365), (1764, 21655), (1830, 20874), (1988, 19215), (2130, 17934), (2135, 17892), (2196, 17395), (2205, 17324), (2485, 15372), (2556, 14945), (2562, 14910), (2745, 13916), (2940, 12993), (2982, 12810), (2989, 12780), (3195, 11956), (3479, 10980), (3660, 10437), (3843, 9940), (4260, 8967), (4270, 8946), (4331, 8820), (4410, 8662), (4473, 8540), (4970, 7686), (5124, 7455), (5490, 6958), (5964, 6405), (5978, 6390)]