408045820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{224201}}^1$

素因数の和:224230

約数の個数: 48

約数和(自身を含む): 1054646208

約数和(自身を除く): 646600388

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 224201, 448402, 896804, 1121005, 1569407, 2242010, 2914613, 3138814, 4484020, 5829226, 6277628, 7847035, 11658452, 14573065, 15694070, 20402291, 29146130, 31388140, 40804582, 58292260, 81609164, 102011455, 204022910, 408045820]

約数ペア:

[(1, 408045820), (2, 204022910), (4, 102011455), (5, 81609164), (7, 58292260), (10, 40804582), (13, 31388140), (14, 29146130), (20, 20402291), (26, 15694070), (28, 14573065), (35, 11658452), (52, 7847035), (65, 6277628), (70, 5829226), (91, 4484020), (130, 3138814), (140, 2914613), (182, 2242010), (260, 1569407), (364, 1121005), (455, 896804), (910, 448402), (1820, 224201)]