17051020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 42287616

約数和(自身を除く): 25236596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 127, 137, 140, 196, 245, 254, 274, 490, 508, 548, 635, 685, 889, 959, 980, 1270, 1370, 1778, 1918, 2540, 2740, 3556, 3836, 4445, 4795, 6223, 6713, 8890, 9590, 12446, 13426, 17399, 17780, 19180, 24892, 26852, 31115, 33565, 34798, 62230, 67130, 69596, 86995, 121793, 124460, 134260, 173990, 243586, 347980, 487172, 608965, 852551, 1217930, 1705102, 2435860, 3410204, 4262755, 8525510, 17051020]

約数ペア:

[(1, 17051020), (2, 8525510), (4, 4262755), (5, 3410204), (7, 2435860), (10, 1705102), (14, 1217930), (20, 852551), (28, 608965), (35, 487172), (49, 347980), (70, 243586), (98, 173990), (127, 134260), (137, 124460), (140, 121793), (196, 86995), (245, 69596), (254, 67130), (274, 62230), (490, 34798), (508, 33565), (548, 31115), (635, 26852), (685, 24892), (889, 19180), (959, 17780), (980, 17399), (1270, 13426), (1370, 12446), (1778, 9590), (1918, 8890), (2540, 6713), (2740, 6223), (3556, 4795), (3836, 4445)]