2099440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 5856768

約数和(自身を除く): 3757328

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 163, 184, 230, 280, 322, 326, 368, 460, 560, 644, 652, 805, 815, 920, 1141, 1288, 1304, 1610, 1630, 1840, 2282, 2576, 2608, 3220, 3260, 3749, 4564, 5705, 6440, 6520, 7498, 9128, 11410, 12880, 13040, 14996, 18256, 18745, 22820, 26243, 29992, 37490, 45640, 52486, 59984, 74980, 91280, 104972, 131215, 149960, 209944, 262430, 299920, 419888, 524860, 1049720, 2099440]

約数ペア:

[(1, 2099440), (2, 1049720), (4, 524860), (5, 419888), (7, 299920), (8, 262430), (10, 209944), (14, 149960), (16, 131215), (20, 104972), (23, 91280), (28, 74980), (35, 59984), (40, 52486), (46, 45640), (56, 37490), (70, 29992), (80, 26243), (92, 22820), (112, 18745), (115, 18256), (140, 14996), (161, 13040), (163, 12880), (184, 11410), (230, 9128), (280, 7498), (322, 6520), (326, 6440), (368, 5705), (460, 4564), (560, 3749), (644, 3260), (652, 3220), (805, 2608), (815, 2576), (920, 2282), (1141, 1840), (1288, 1630), (1304, 1610)]