1396742480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1123}}^1\times {\mathrm{2221}}^1$

素因数の和:3364

約数の個数: 80

約数和(自身を含む): 3716321664

約数和(自身を除く): 2319579184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1123, 2221, 2246, 4442, 4492, 5615, 7861, 8884, 8984, 11105, 11230, 15547, 15722, 17768, 17968, 22210, 22460, 31094, 31444, 35536, 39305, 44420, 44920, 62188, 62888, 77735, 78610, 88840, 89840, 124376, 125776, 155470, 157220, 177680, 248752, 310940, 314440, 621880, 628880, 1243760, 2494183, 4988366, 9976732, 12470915, 17459281, 19953464, 24941830, 34918562, 39906928, 49883660, 69837124, 87296405, 99767320, 139674248, 174592810, 199534640, 279348496, 349185620, 698371240, 1396742480]

約数ペア:

[(1, 1396742480), (2, 698371240), (4, 349185620), (5, 279348496), (7, 199534640), (8, 174592810), (10, 139674248), (14, 99767320), (16, 87296405), (20, 69837124), (28, 49883660), (35, 39906928), (40, 34918562), (56, 24941830), (70, 19953464), (80, 17459281), (112, 12470915), (140, 9976732), (280, 4988366), (560, 2494183), (1123, 1243760), (2221, 628880), (2246, 621880), (4442, 314440), (4492, 310940), (5615, 248752), (7861, 177680), (8884, 157220), (8984, 155470), (11105, 125776), (11230, 124376), (15547, 89840), (15722, 88840), (17768, 78610), (17968, 77735), (22210, 62888), (22460, 62188), (31094, 44920), (31444, 44420), (35536, 39305)]