139578320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{887}}^1$

素因数の和:1188

約数の個数: 80

約数和(自身を含む): 372619008

約数和(自身を除く): 233040688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 281, 560, 562, 887, 1124, 1405, 1774, 1967, 2248, 2810, 3548, 3934, 4435, 4496, 5620, 6209, 7096, 7868, 8870, 9835, 11240, 12418, 14192, 15736, 17740, 19670, 22480, 24836, 31045, 31472, 35480, 39340, 49672, 62090, 70960, 78680, 99344, 124180, 157360, 248360, 249247, 496720, 498494, 996988, 1246235, 1744729, 1993976, 2492470, 3489458, 3987952, 4984940, 6978916, 8723645, 9969880, 13957832, 17447290, 19939760, 27915664, 34894580, 69789160, 139578320]

約数ペア:

[(1, 139578320), (2, 69789160), (4, 34894580), (5, 27915664), (7, 19939760), (8, 17447290), (10, 13957832), (14, 9969880), (16, 8723645), (20, 6978916), (28, 4984940), (35, 3987952), (40, 3489458), (56, 2492470), (70, 1993976), (80, 1744729), (112, 1246235), (140, 996988), (280, 498494), (281, 496720), (560, 249247), (562, 248360), (887, 157360), (1124, 124180), (1405, 99344), (1774, 78680), (1967, 70960), (2248, 62090), (2810, 49672), (3548, 39340), (3934, 35480), (4435, 31472), (4496, 31045), (5620, 24836), (6209, 22480), (7096, 19670), (7868, 17740), (8870, 15736), (9835, 14192), (11240, 12418)]