78533420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{3359}}^1$

素因数の和:3542

約数の個数: 48

約数和(自身を含む): 189665280

約数和(自身を除く): 111131860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 334, 668, 835, 1169, 1670, 2338, 3340, 3359, 4676, 5845, 6718, 11690, 13436, 16795, 23380, 23513, 33590, 47026, 67180, 94052, 117565, 235130, 470260, 560953, 1121906, 2243812, 2804765, 3926671, 5609530, 7853342, 11219060, 15706684, 19633355, 39266710, 78533420]

約数ペア:

[(1, 78533420), (2, 39266710), (4, 19633355), (5, 15706684), (7, 11219060), (10, 7853342), (14, 5609530), (20, 3926671), (28, 2804765), (35, 2243812), (70, 1121906), (140, 560953), (167, 470260), (334, 235130), (668, 117565), (835, 94052), (1169, 67180), (1670, 47026), (2338, 33590), (3340, 23513), (3359, 23380), (4676, 16795), (5845, 13436), (6718, 11690)]