61799990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 132378624

約数和(自身を除く): 70578634

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 107, 185, 214, 223, 259, 370, 446, 518, 535, 749, 1070, 1115, 1295, 1498, 1561, 2230, 2590, 3122, 3745, 3959, 7490, 7805, 7918, 8251, 15610, 16502, 19795, 23861, 27713, 39590, 41255, 47722, 55426, 57757, 82510, 115514, 119305, 138565, 167027, 238610, 277130, 288785, 334054, 577570, 835135, 882857, 1670270, 1765714, 4414285, 6179999, 8828570, 12359998, 30899995, 61799990]

約数ペア:

[(1, 61799990), (2, 30899995), (5, 12359998), (7, 8828570), (10, 6179999), (14, 4414285), (35, 1765714), (37, 1670270), (70, 882857), (74, 835135), (107, 577570), (185, 334054), (214, 288785), (223, 277130), (259, 238610), (370, 167027), (446, 138565), (518, 119305), (535, 115514), (749, 82510), (1070, 57757), (1115, 55426), (1295, 47722), (1498, 41255), (1561, 39590), (2230, 27713), (2590, 23861), (3122, 19795), (3745, 16502), (3959, 15610), (7490, 8251), (7805, 7918)]