2079980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{179}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 5080320

約数和(自身を除く): 3000340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 179, 332, 358, 415, 581, 716, 830, 895, 1162, 1253, 1660, 1790, 2324, 2506, 2905, 3580, 5012, 5810, 6265, 11620, 12530, 14857, 25060, 29714, 59428, 74285, 103999, 148570, 207998, 297140, 415996, 519995, 1039990, 2079980]

約数ペア:

[(1, 2079980), (2, 1039990), (4, 519995), (5, 415996), (7, 297140), (10, 207998), (14, 148570), (20, 103999), (28, 74285), (35, 59428), (70, 29714), (83, 25060), (140, 14857), (166, 12530), (179, 11620), (332, 6265), (358, 5810), (415, 5012), (581, 3580), (716, 2905), (830, 2506), (895, 2324), (1162, 1790), (1253, 1660)]