78199520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{69821}}^1$

素因数の和:69843

約数の個数: 48

約数和(自身を含む): 211141728

約数和(自身を除く): 132942208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 69821, 139642, 279284, 349105, 488747, 558568, 698210, 977494, 1117136, 1396420, 1954988, 2234272, 2443735, 2792840, 3909976, 4887470, 5585680, 7819952, 9774940, 11171360, 15639904, 19549880, 39099760, 78199520]

約数ペア:

[(1, 78199520), (2, 39099760), (4, 19549880), (5, 15639904), (7, 11171360), (8, 9774940), (10, 7819952), (14, 5585680), (16, 4887470), (20, 3909976), (28, 2792840), (32, 2443735), (35, 2234272), (40, 1954988), (56, 1396420), (70, 1117136), (80, 977494), (112, 698210), (140, 558568), (160, 488747), (224, 349105), (280, 279284), (560, 139642), (1120, 69821)]