977897440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20441}}^1$

素因数の和:20492

約数の個数: 96

約数和(自身を含む): 2596297536

約数和(自身を除く): 1618400096

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 65, 80, 92, 104, 115, 130, 160, 184, 208, 230, 260, 299, 368, 416, 460, 520, 598, 736, 920, 1040, 1196, 1495, 1840, 2080, 2392, 2990, 3680, 4784, 5980, 9568, 11960, 20441, 23920, 40882, 47840, 81764, 102205, 163528, 204410, 265733, 327056, 408820, 470143, 531466, 654112, 817640, 940286, 1062932, 1328665, 1635280, 1880572, 2125864, 2350715, 2657330, 3270560, 3761144, 4251728, 4701430, 5314660, 6111859, 7522288, 8503456, 9402860, 10629320, 12223718, 15044576, 18805720, 21258640, 24447436, 30559295, 37611440, 42517280, 48894872, 61118590, 75222880, 97789744, 122237180, 195579488, 244474360, 488948720, 977897440]

約数ペア:

[(1, 977897440), (2, 488948720), (4, 244474360), (5, 195579488), (8, 122237180), (10, 97789744), (13, 75222880), (16, 61118590), (20, 48894872), (23, 42517280), (26, 37611440), (32, 30559295), (40, 24447436), (46, 21258640), (52, 18805720), (65, 15044576), (80, 12223718), (92, 10629320), (104, 9402860), (115, 8503456), (130, 7522288), (160, 6111859), (184, 5314660), (208, 4701430), (230, 4251728), (260, 3761144), (299, 3270560), (368, 2657330), (416, 2350715), (460, 2125864), (520, 1880572), (598, 1635280), (736, 1328665), (920, 1062932), (1040, 940286), (1196, 817640), (1495, 654112), (1840, 531466), (2080, 470143), (2392, 408820), (2990, 327056), (3680, 265733), (4784, 204410), (5980, 163528), (9568, 102205), (11960, 81764), (20441, 47840), (23920, 40882)]