1721697040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3074459}}^1$

素因数の和:3074479

約数の個数: 40

約数和(自身を含む): 4574796480

約数和(自身を除く): 2853099440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3074459, 6148918, 12297836, 15372295, 21521213, 24595672, 30744590, 43042426, 49191344, 61489180, 86084852, 107606065, 122978360, 172169704, 215212130, 245956720, 344339408, 430424260, 860848520, 1721697040]

約数ペア:

[(1, 1721697040), (2, 860848520), (4, 430424260), (5, 344339408), (7, 245956720), (8, 215212130), (10, 172169704), (14, 122978360), (16, 107606065), (20, 86084852), (28, 61489180), (35, 49191344), (40, 43042426), (56, 30744590), (70, 24595672), (80, 21521213), (112, 15372295), (140, 12297836), (280, 6148918), (560, 3074459)]