145219340

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{21169}}^1$

素因数の和:21199

約数の個数: 48

約数和(自身を含む): 355656000

約数和(自身を除く): 210436660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 21169, 42338, 84676, 105845, 148183, 211690, 296366, 423380, 592732, 740915, 1037281, 1481830, 2074562, 2963660, 4149124, 5186405, 7260967, 10372810, 14521934, 20745620, 29043868, 36304835, 72609670, 145219340]

約数ペア:

[(1, 145219340), (2, 72609670), (4, 36304835), (5, 29043868), (7, 20745620), (10, 14521934), (14, 10372810), (20, 7260967), (28, 5186405), (35, 4149124), (49, 2963660), (70, 2074562), (98, 1481830), (140, 1037281), (196, 740915), (245, 592732), (343, 423380), (490, 296366), (686, 211690), (980, 148183), (1372, 105845), (1715, 84676), (3430, 42338), (6860, 21169)]