208212820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1\times {\mathrm{617}}^1$

素因数の和:1032

約数の個数: 48

約数和(自身を含む): 448519680

約数和(自身を除く): 240306860

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 359, 470, 617, 718, 940, 1234, 1436, 1795, 2468, 3085, 3590, 6170, 7180, 12340, 16873, 28999, 33746, 57998, 67492, 84365, 115996, 144995, 168730, 221503, 289990, 337460, 443006, 579980, 886012, 1107515, 2215030, 4430060, 10410641, 20821282, 41642564, 52053205, 104106410, 208212820]

約数ペア:

[(1, 208212820), (2, 104106410), (4, 52053205), (5, 41642564), (10, 20821282), (20, 10410641), (47, 4430060), (94, 2215030), (188, 1107515), (235, 886012), (359, 579980), (470, 443006), (617, 337460), (718, 289990), (940, 221503), (1234, 168730), (1436, 144995), (1795, 115996), (2468, 84365), (3085, 67492), (3590, 57998), (6170, 33746), (7180, 28999), (12340, 16873)]