245280280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{5441}}^1$

素因数の和:5489

約数の個数: 96

約数和(自身を含む): 670019040

約数和(自身を除く): 424738760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 49, 56, 70, 92, 98, 115, 140, 161, 184, 196, 230, 245, 280, 322, 392, 460, 490, 644, 805, 920, 980, 1127, 1288, 1610, 1960, 2254, 3220, 4508, 5441, 5635, 6440, 9016, 10882, 11270, 21764, 22540, 27205, 38087, 43528, 45080, 54410, 76174, 108820, 125143, 152348, 190435, 217640, 250286, 266609, 304696, 380870, 500572, 533218, 625715, 761740, 876001, 1001144, 1066436, 1251430, 1333045, 1523480, 1752002, 2132872, 2502860, 2666090, 3504004, 4380005, 5005720, 5332180, 6132007, 7008008, 8760010, 10664360, 12264014, 17520020, 24528028, 30660035, 35040040, 49056056, 61320070, 122640140, 245280280]

約数ペア:

[(1, 245280280), (2, 122640140), (4, 61320070), (5, 49056056), (7, 35040040), (8, 30660035), (10, 24528028), (14, 17520020), (20, 12264014), (23, 10664360), (28, 8760010), (35, 7008008), (40, 6132007), (46, 5332180), (49, 5005720), (56, 4380005), (70, 3504004), (92, 2666090), (98, 2502860), (115, 2132872), (140, 1752002), (161, 1523480), (184, 1333045), (196, 1251430), (230, 1066436), (245, 1001144), (280, 876001), (322, 761740), (392, 625715), (460, 533218), (490, 500572), (644, 380870), (805, 304696), (920, 266609), (980, 250286), (1127, 217640), (1288, 190435), (1610, 152348), (1960, 125143), (2254, 108820), (3220, 76174), (4508, 54410), (5441, 45080), (5635, 43528), (6440, 38087), (9016, 27205), (10882, 22540), (11270, 21764)]