1795780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 4386816

約数和(自身を除く): 2591036

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 127, 140, 202, 254, 404, 505, 508, 635, 707, 889, 1010, 1270, 1414, 1778, 2020, 2540, 2828, 3535, 3556, 4445, 7070, 8890, 12827, 14140, 17780, 25654, 51308, 64135, 89789, 128270, 179578, 256540, 359156, 448945, 897890, 1795780]

約数ペア:

[(1, 1795780), (2, 897890), (4, 448945), (5, 359156), (7, 256540), (10, 179578), (14, 128270), (20, 89789), (28, 64135), (35, 51308), (70, 25654), (101, 17780), (127, 14140), (140, 12827), (202, 8890), (254, 7070), (404, 4445), (505, 3556), (508, 3535), (635, 2828), (707, 2540), (889, 2020), (1010, 1778), (1270, 1414)]