17031980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{337}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 43269408

約数和(自身を除く): 26237428

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 337, 361, 380, 532, 665, 674, 722, 1330, 1348, 1444, 1685, 1805, 2359, 2527, 2660, 3370, 3610, 4718, 5054, 6403, 6740, 7220, 9436, 10108, 11795, 12635, 12806, 23590, 25270, 25612, 32015, 44821, 47180, 50540, 64030, 89642, 121657, 128060, 179284, 224105, 243314, 448210, 486628, 608285, 851599, 896420, 1216570, 1703198, 2433140, 3406396, 4257995, 8515990, 17031980]

約数ペア:

[(1, 17031980), (2, 8515990), (4, 4257995), (5, 3406396), (7, 2433140), (10, 1703198), (14, 1216570), (19, 896420), (20, 851599), (28, 608285), (35, 486628), (38, 448210), (70, 243314), (76, 224105), (95, 179284), (133, 128060), (140, 121657), (190, 89642), (266, 64030), (337, 50540), (361, 47180), (380, 44821), (532, 32015), (665, 25612), (674, 25270), (722, 23590), (1330, 12806), (1348, 12635), (1444, 11795), (1685, 10108), (1805, 9436), (2359, 7220), (2527, 6740), (2660, 6403), (3370, 5054), (3610, 4718)]