222738710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 437184000

約数和(自身を除く): 214445290

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 137, 190, 199, 215, 274, 398, 430, 685, 817, 995, 1370, 1634, 1990, 2603, 3781, 4085, 5206, 5891, 7562, 8170, 8557, 11782, 13015, 17114, 18905, 26030, 27263, 29455, 37810, 42785, 54526, 58910, 85570, 111929, 136315, 162583, 223858, 272630, 325166, 517997, 559645, 812915, 1035994, 1119290, 1172309, 1625830, 2344618, 2589985, 5179970, 5861545, 11723090, 22273871, 44547742, 111369355, 222738710]

約数ペア:

[(1, 222738710), (2, 111369355), (5, 44547742), (10, 22273871), (19, 11723090), (38, 5861545), (43, 5179970), (86, 2589985), (95, 2344618), (137, 1625830), (190, 1172309), (199, 1119290), (215, 1035994), (274, 812915), (398, 559645), (430, 517997), (685, 325166), (817, 272630), (995, 223858), (1370, 162583), (1634, 136315), (1990, 111929), (2603, 85570), (3781, 58910), (4085, 54526), (5206, 42785), (5891, 37810), (7562, 29455), (8170, 27263), (8557, 26030), (11782, 18905), (13015, 17114)]