245816183920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2305103}}^1$

素因数の和:2305190

約数の個数: 80

約数和(自身を含む): 603679076352

約数和(自身を除く): 357862892432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 43, 62, 80, 86, 124, 155, 172, 215, 248, 310, 344, 430, 496, 620, 688, 860, 1240, 1333, 1720, 2480, 2666, 3440, 5332, 6665, 10664, 13330, 21328, 26660, 53320, 106640, 2305103, 4610206, 9220412, 11525515, 18440824, 23051030, 36881648, 46102060, 71458193, 92204120, 99119429, 142916386, 184408240, 198238858, 285832772, 357290965, 396477716, 495597145, 571665544, 714581930, 792955432, 991194290, 1143331088, 1429163860, 1585910864, 1982388580, 2858327720, 3072702299, 3964777160, 5716655440, 6145404598, 7929554320, 12290809196, 15363511495, 24581618392, 30727022990, 49163236784, 61454045980, 122908091960, 245816183920]

約数ペア:

[(1, 245816183920), (2, 122908091960), (4, 61454045980), (5, 49163236784), (8, 30727022990), (10, 24581618392), (16, 15363511495), (20, 12290809196), (31, 7929554320), (40, 6145404598), (43, 5716655440), (62, 3964777160), (80, 3072702299), (86, 2858327720), (124, 1982388580), (155, 1585910864), (172, 1429163860), (215, 1143331088), (248, 991194290), (310, 792955432), (344, 714581930), (430, 571665544), (496, 495597145), (620, 396477716), (688, 357290965), (860, 285832772), (1240, 198238858), (1333, 184408240), (1720, 142916386), (2480, 99119429), (2666, 92204120), (3440, 71458193), (5332, 46102060), (6665, 36881648), (10664, 23051030), (13330, 18440824), (21328, 11525515), (26660, 9220412), (53320, 4610206), (106640, 2305103)]