82982480

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{21169}}^1$

素因数の和:21196

約数の個数: 60

約数和(自身を含む): 224444340

約数和(自身を除く): 141461860

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 21169, 42338, 84676, 105845, 148183, 169352, 211690, 296366, 338704, 423380, 592732, 740915, 846760, 1037281, 1185464, 1481830, 1693520, 2074562, 2370928, 2963660, 4149124, 5186405, 5927320, 8298248, 10372810, 11854640, 16596496, 20745620, 41491240, 82982480]

約数ペア:

[(1, 82982480), (2, 41491240), (4, 20745620), (5, 16596496), (7, 11854640), (8, 10372810), (10, 8298248), (14, 5927320), (16, 5186405), (20, 4149124), (28, 2963660), (35, 2370928), (40, 2074562), (49, 1693520), (56, 1481830), (70, 1185464), (80, 1037281), (98, 846760), (112, 740915), (140, 592732), (196, 423380), (245, 338704), (280, 296366), (392, 211690), (490, 169352), (560, 148183), (784, 105845), (980, 84676), (1960, 42338), (3920, 21169)]