508985840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{13451}}^1$

素因数の和:13518

約数の個数: 80

約数和(自身を含む): 1321094016

約数和(自身を除く): 812108176

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1892, 2365, 3440, 3784, 4730, 7568, 9460, 13451, 18920, 26902, 37840, 53804, 67255, 107608, 134510, 147961, 215216, 269020, 295922, 538040, 578393, 591844, 739805, 1076080, 1156786, 1183688, 1479610, 2313572, 2367376, 2891965, 2959220, 4627144, 5783930, 5918440, 6362323, 9254288, 11567860, 11836880, 12724646, 23135720, 25449292, 31811615, 46271440, 50898584, 63623230, 101797168, 127246460, 254492920, 508985840]

約数ペア:

[(1, 508985840), (2, 254492920), (4, 127246460), (5, 101797168), (8, 63623230), (10, 50898584), (11, 46271440), (16, 31811615), (20, 25449292), (22, 23135720), (40, 12724646), (43, 11836880), (44, 11567860), (55, 9254288), (80, 6362323), (86, 5918440), (88, 5783930), (110, 4627144), (172, 2959220), (176, 2891965), (215, 2367376), (220, 2313572), (344, 1479610), (430, 1183688), (440, 1156786), (473, 1076080), (688, 739805), (860, 591844), (880, 578393), (946, 538040), (1720, 295922), (1892, 269020), (2365, 215216), (3440, 147961), (3784, 134510), (4730, 107608), (7568, 67255), (9460, 53804), (13451, 37840), (18920, 26902)]