389468520

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{51517}}^1$

素因数の和:51544

約数の個数: 128

約数和(自身を含む): 1483718400

約数和(自身を除く): 1094249880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 51517, 103034, 154551, 206068, 257585, 309102, 360619, 412136, 463653, 515170, 618204, 721238, 772755, 927306, 1030340, 1081857, 1236408, 1390959, 1442476, 1545510, 1803095, 1854612, 2060680, 2163714, 2318265, 2781918, 2884952, 3091020, 3245571, 3606190, 3709224, 4327428, 4636530, 5409285, 5563836, 6182040, 6491142, 6954795, 7212380, 8654856, 9273060, 9736713, 10818570, 11127672, 12982284, 13909590, 14424760, 16227855, 18546120, 19473426, 21637140, 25964568, 27819180, 32455710, 38946852, 43274280, 48683565, 55638360, 64911420, 77893704, 97367130, 129822840, 194734260, 389468520]

約数ペア:

[(1, 389468520), (2, 194734260), (3, 129822840), (4, 97367130), (5, 77893704), (6, 64911420), (7, 55638360), (8, 48683565), (9, 43274280), (10, 38946852), (12, 32455710), (14, 27819180), (15, 25964568), (18, 21637140), (20, 19473426), (21, 18546120), (24, 16227855), (27, 14424760), (28, 13909590), (30, 12982284), (35, 11127672), (36, 10818570), (40, 9736713), (42, 9273060), (45, 8654856), (54, 7212380), (56, 6954795), (60, 6491142), (63, 6182040), (70, 5563836), (72, 5409285), (84, 4636530), (90, 4327428), (105, 3709224), (108, 3606190), (120, 3245571), (126, 3091020), (135, 2884952), (140, 2781918), (168, 2318265), (180, 2163714), (189, 2060680), (210, 1854612), (216, 1803095), (252, 1545510), (270, 1442476), (280, 1390959), (315, 1236408), (360, 1081857), (378, 1030340), (420, 927306), (504, 772755), (540, 721238), (630, 618204), (756, 515170), (840, 463653), (945, 412136), (1080, 360619), (1260, 309102), (1512, 257585), (1890, 206068), (2520, 154551), (3780, 103034), (7560, 51517)]