408087160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{229}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 1043280000

約数和(自身を除く): 635192840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 149, 184, 229, 230, 260, 298, 299, 458, 460, 520, 596, 598, 745, 916, 920, 1145, 1192, 1196, 1490, 1495, 1832, 1937, 2290, 2392, 2977, 2980, 2990, 3427, 3874, 4580, 5267, 5954, 5960, 5980, 6854, 7748, 9160, 9685, 10534, 11908, 11960, 13708, 14885, 15496, 17135, 19370, 21068, 23816, 26335, 27416, 29770, 34121, 34270, 38740, 42136, 44551, 52670, 59540, 68242, 68471, 68540, 77480, 89102, 105340, 119080, 136484, 136942, 137080, 170605, 178204, 210680, 222755, 272968, 273884, 341210, 342355, 356408, 443573, 445510, 547768, 682420, 684710, 784783, 887146, 891020, 1364840, 1369420, 1569566, 1774292, 1782040, 2217865, 2738840, 3139132, 3548584, 3923915, 4435730, 6278264, 7847830, 8871460, 10202179, 15695660, 17742920, 20404358, 31391320, 40808716, 51010895, 81617432, 102021790, 204043580, 408087160]

約数ペア:

[(1, 408087160), (2, 204043580), (4, 102021790), (5, 81617432), (8, 51010895), (10, 40808716), (13, 31391320), (20, 20404358), (23, 17742920), (26, 15695660), (40, 10202179), (46, 8871460), (52, 7847830), (65, 6278264), (92, 4435730), (104, 3923915), (115, 3548584), (130, 3139132), (149, 2738840), (184, 2217865), (229, 1782040), (230, 1774292), (260, 1569566), (298, 1369420), (299, 1364840), (458, 891020), (460, 887146), (520, 784783), (596, 684710), (598, 682420), (745, 547768), (916, 445510), (920, 443573), (1145, 356408), (1192, 342355), (1196, 341210), (1490, 273884), (1495, 272968), (1832, 222755), (1937, 210680), (2290, 178204), (2392, 170605), (2977, 137080), (2980, 136942), (2990, 136484), (3427, 119080), (3874, 105340), (4580, 89102), (5267, 77480), (5954, 68540), (5960, 68471), (5980, 68242), (6854, 59540), (7748, 52670), (9160, 44551), (9685, 42136), (10534, 38740), (11908, 34270), (11960, 34121), (13708, 29770), (14885, 27416), (15496, 26335), (17135, 23816), (19370, 21068)]