8019340

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{167}}^1$

素因数の和:204

約数の個数: 60

約数和(自身を含む): 19763856

約数和(自身を除く): 11744516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 167, 196, 245, 334, 343, 490, 668, 686, 835, 980, 1169, 1372, 1670, 1715, 2338, 2401, 3340, 3430, 4676, 4802, 5845, 6860, 8183, 9604, 11690, 12005, 16366, 23380, 24010, 32732, 40915, 48020, 57281, 81830, 114562, 163660, 229124, 286405, 400967, 572810, 801934, 1145620, 1603868, 2004835, 4009670, 8019340]

約数ペア:

[(1, 8019340), (2, 4009670), (4, 2004835), (5, 1603868), (7, 1145620), (10, 801934), (14, 572810), (20, 400967), (28, 286405), (35, 229124), (49, 163660), (70, 114562), (98, 81830), (140, 57281), (167, 48020), (196, 40915), (245, 32732), (334, 24010), (343, 23380), (490, 16366), (668, 12005), (686, 11690), (835, 9604), (980, 8183), (1169, 6860), (1372, 5845), (1670, 4802), (1715, 4676), (2338, 3430), (2401, 3340)]