420908596

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^2$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 828877280

約数和(自身を除く): 407968684

約数列:

[1, 2, 4, 19, 37, 38, 43, 59, 74, 76, 86, 118, 148, 172, 236, 703, 817, 1121, 1406, 1591, 1634, 2183, 2242, 2537, 2812, 3182, 3268, 3481, 4366, 4484, 5074, 6364, 6962, 8732, 10148, 13924, 30229, 41477, 48203, 60458, 66139, 82954, 93869, 96406, 120916, 128797, 132278, 149683, 165908, 187738, 192812, 257594, 264556, 299366, 375476, 515188, 598732, 1783511, 2447143, 2843977, 3567022, 4894286, 5538271, 5687954, 7134044, 9788572, 11076542, 11375908, 22153084, 105227149, 210454298, 420908596]

約数ペア:

[(1, 420908596), (2, 210454298), (4, 105227149), (19, 22153084), (37, 11375908), (38, 11076542), (43, 9788572), (59, 7134044), (74, 5687954), (76, 5538271), (86, 4894286), (118, 3567022), (148, 2843977), (172, 2447143), (236, 1783511), (703, 598732), (817, 515188), (1121, 375476), (1406, 299366), (1591, 264556), (1634, 257594), (2183, 192812), (2242, 187738), (2537, 165908), (2812, 149683), (3182, 132278), (3268, 128797), (3481, 120916), (4366, 96406), (4484, 93869), (5074, 82954), (6364, 66139), (6962, 60458), (8732, 48203), (10148, 41477), (13924, 30229)]