28919670

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2557}}^1$

素因数の和:2609

約数の個数: 64

約数和(自身を含む): 77353920

約数和(自身を除く): 48434250

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 65, 78, 87, 130, 145, 174, 195, 290, 377, 390, 435, 754, 870, 1131, 1885, 2262, 2557, 3770, 5114, 5655, 7671, 11310, 12785, 15342, 25570, 33241, 38355, 66482, 74153, 76710, 99723, 148306, 166205, 199446, 222459, 332410, 370765, 444918, 498615, 741530, 963989, 997230, 1112295, 1927978, 2224590, 2891967, 4819945, 5783934, 9639890, 14459835, 28919670]

約数ペア:

[(1, 28919670), (2, 14459835), (3, 9639890), (5, 5783934), (6, 4819945), (10, 2891967), (13, 2224590), (15, 1927978), (26, 1112295), (29, 997230), (30, 963989), (39, 741530), (58, 498615), (65, 444918), (78, 370765), (87, 332410), (130, 222459), (145, 199446), (174, 166205), (195, 148306), (290, 99723), (377, 76710), (390, 74153), (435, 66482), (754, 38355), (870, 33241), (1131, 25570), (1885, 15342), (2262, 12785), (2557, 11310), (3770, 7671), (5114, 5655)]