309944992

素因数分解:

$2^5\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2221}}^1$

素因数の和:2334

約数の個数: 72

約数和(自身を含む): 718128180

約数和(自身を除く): 408183188

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 89, 98, 112, 178, 196, 224, 356, 392, 623, 712, 784, 1246, 1424, 1568, 2221, 2492, 2848, 4361, 4442, 4984, 8722, 8884, 9968, 15547, 17444, 17768, 19936, 31094, 34888, 35536, 62188, 69776, 71072, 108829, 124376, 139552, 197669, 217658, 248752, 395338, 435316, 497504, 790676, 870632, 1383683, 1581352, 1741264, 2767366, 3162704, 3482528, 5534732, 6325408, 9685781, 11069464, 19371562, 22138928, 38743124, 44277856, 77486248, 154972496, 309944992]

約数ペア:

[(1, 309944992), (2, 154972496), (4, 77486248), (7, 44277856), (8, 38743124), (14, 22138928), (16, 19371562), (28, 11069464), (32, 9685781), (49, 6325408), (56, 5534732), (89, 3482528), (98, 3162704), (112, 2767366), (178, 1741264), (196, 1581352), (224, 1383683), (356, 870632), (392, 790676), (623, 497504), (712, 435316), (784, 395338), (1246, 248752), (1424, 217658), (1568, 197669), (2221, 139552), (2492, 124376), (2848, 108829), (4361, 71072), (4442, 69776), (4984, 62188), (8722, 35536), (8884, 34888), (9968, 31094), (15547, 19936), (17444, 17768)]