163870420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 407328768

約数和(自身を除く): 243458348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 163, 167, 172, 215, 301, 326, 334, 430, 602, 652, 668, 815, 835, 860, 1141, 1169, 1204, 1505, 1630, 1670, 2282, 2338, 3010, 3260, 3340, 4564, 4676, 5705, 5845, 6020, 7009, 7181, 11410, 11690, 14018, 14362, 22820, 23380, 27221, 28036, 28724, 35045, 35905, 49063, 50267, 54442, 70090, 71810, 98126, 100534, 108884, 136105, 140180, 143620, 190547, 196252, 201068, 245315, 251335, 272210, 381094, 490630, 502670, 544420, 762188, 952735, 981260, 1005340, 1170503, 1905470, 2341006, 3810940, 4682012, 5852515, 8193521, 11705030, 16387042, 23410060, 32774084, 40967605, 81935210, 163870420]

約数ペア:

[(1, 163870420), (2, 81935210), (4, 40967605), (5, 32774084), (7, 23410060), (10, 16387042), (14, 11705030), (20, 8193521), (28, 5852515), (35, 4682012), (43, 3810940), (70, 2341006), (86, 1905470), (140, 1170503), (163, 1005340), (167, 981260), (172, 952735), (215, 762188), (301, 544420), (326, 502670), (334, 490630), (430, 381094), (602, 272210), (652, 251335), (668, 245315), (815, 201068), (835, 196252), (860, 190547), (1141, 143620), (1169, 140180), (1204, 136105), (1505, 108884), (1630, 100534), (1670, 98126), (2282, 71810), (2338, 70090), (3010, 54442), (3260, 50267), (3340, 49063), (4564, 35905), (4676, 35045), (5705, 28724), (5845, 28036), (6020, 27221), (7009, 23380), (7181, 22820), (11410, 14362), (11690, 14018)]