2100032820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{78301}}^1$

素因数の和:78465

約数の個数: 72

約数和(自身を含む): 6412933800

約数和(自身を除く): 4312900980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 149, 180, 298, 447, 596, 745, 894, 1341, 1490, 1788, 2235, 2682, 2980, 4470, 5364, 6705, 8940, 13410, 26820, 78301, 156602, 234903, 313204, 391505, 469806, 704709, 783010, 939612, 1174515, 1409418, 1566020, 2349030, 2818836, 3523545, 4698060, 7047090, 11666849, 14094180, 23333698, 35000547, 46667396, 58334245, 70001094, 105001641, 116668490, 140002188, 175002735, 210003282, 233336980, 350005470, 420006564, 525008205, 700010940, 1050016410, 2100032820]

約数ペア:

[(1, 2100032820), (2, 1050016410), (3, 700010940), (4, 525008205), (5, 420006564), (6, 350005470), (9, 233336980), (10, 210003282), (12, 175002735), (15, 140002188), (18, 116668490), (20, 105001641), (30, 70001094), (36, 58334245), (45, 46667396), (60, 35000547), (90, 23333698), (149, 14094180), (180, 11666849), (298, 7047090), (447, 4698060), (596, 3523545), (745, 2818836), (894, 2349030), (1341, 1566020), (1490, 1409418), (1788, 1174515), (2235, 939612), (2682, 783010), (2980, 704709), (4470, 469806), (5364, 391505), (6705, 313204), (8940, 234903), (13410, 156602), (26820, 78301)]