66970400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{11959}}^1$

素因数の和:11986

約数の個数: 72

約数和(自身を含む): 186863040

約数和(自身を除く): 119892640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2800, 5600, 11959, 23918, 47836, 59795, 83713, 95672, 119590, 167426, 191344, 239180, 298975, 334852, 382688, 418565, 478360, 597950, 669704, 837130, 956720, 1195900, 1339408, 1674260, 1913440, 2092825, 2391800, 2678816, 3348520, 4185650, 4783600, 6697040, 8371300, 9567200, 13394080, 16742600, 33485200, 66970400]

約数ペア:

[(1, 66970400), (2, 33485200), (4, 16742600), (5, 13394080), (7, 9567200), (8, 8371300), (10, 6697040), (14, 4783600), (16, 4185650), (20, 3348520), (25, 2678816), (28, 2391800), (32, 2092825), (35, 1913440), (40, 1674260), (50, 1339408), (56, 1195900), (70, 956720), (80, 837130), (100, 669704), (112, 597950), (140, 478360), (160, 418565), (175, 382688), (200, 334852), (224, 298975), (280, 239180), (350, 191344), (400, 167426), (560, 119590), (700, 95672), (800, 83713), (1120, 59795), (1400, 47836), (2800, 23918), (5600, 11959)]