7471660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 18176256

約数和(自身を除く): 10704596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 643, 830, 1162, 1286, 1660, 2324, 2572, 2905, 3215, 4501, 5810, 6430, 9002, 11620, 12860, 18004, 22505, 45010, 53369, 90020, 106738, 213476, 266845, 373583, 533690, 747166, 1067380, 1494332, 1867915, 3735830, 7471660]

約数ペア:

[(1, 7471660), (2, 3735830), (4, 1867915), (5, 1494332), (7, 1067380), (10, 747166), (14, 533690), (20, 373583), (28, 266845), (35, 213476), (70, 106738), (83, 90020), (140, 53369), (166, 45010), (332, 22505), (415, 18004), (581, 12860), (643, 11620), (830, 9002), (1162, 6430), (1286, 5810), (1660, 4501), (2324, 3215), (2572, 2905)]