249138890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{24889}}^1$

素因数の和:24927

約数の個数: 64

約数和(自身を含む): 602138880

約数和(自身を除く): 352999990

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 5005, 10010, 24889, 49778, 124445, 174223, 248890, 273779, 323557, 348446, 547558, 647114, 871115, 1368895, 1617785, 1742230, 1916453, 2264899, 2737790, 3235570, 3559127, 3832906, 4529798, 7118254, 9582265, 11324495, 17795635, 19164530, 22648990, 24913889, 35591270, 49827778, 124569445, 249138890]

約数ペア:

[(1, 249138890), (2, 124569445), (5, 49827778), (7, 35591270), (10, 24913889), (11, 22648990), (13, 19164530), (14, 17795635), (22, 11324495), (26, 9582265), (35, 7118254), (55, 4529798), (65, 3832906), (70, 3559127), (77, 3235570), (91, 2737790), (110, 2264899), (130, 1916453), (143, 1742230), (154, 1617785), (182, 1368895), (286, 871115), (385, 647114), (455, 547558), (715, 348446), (770, 323557), (910, 273779), (1001, 248890), (1430, 174223), (2002, 124445), (5005, 49778), (10010, 24889)]