207742020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{38903}}^1$

素因数の和:39004

約数の個数: 48

約数和(自身を含む): 588228480

約数和(自身を除く): 380486460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 38903, 77806, 116709, 155612, 194515, 233418, 389030, 466836, 583545, 778060, 1167090, 2334180, 3462367, 6924734, 10387101, 13849468, 17311835, 20774202, 34623670, 41548404, 51935505, 69247340, 103871010, 207742020]

約数ペア:

[(1, 207742020), (2, 103871010), (3, 69247340), (4, 51935505), (5, 41548404), (6, 34623670), (10, 20774202), (12, 17311835), (15, 13849468), (20, 10387101), (30, 6924734), (60, 3462367), (89, 2334180), (178, 1167090), (267, 778060), (356, 583545), (445, 466836), (534, 389030), (890, 233418), (1068, 194515), (1335, 155612), (1780, 116709), (2670, 77806), (5340, 38903)]