1900463740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{20599}}^1$

素因数の和:21274

約数の個数: 48

約数和(自身を含む): 4568256000

約数和(自身を除く): 2667792260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 659, 1318, 2636, 3295, 4613, 6590, 9226, 13180, 18452, 20599, 23065, 41198, 46130, 82396, 92260, 102995, 144193, 205990, 288386, 411980, 576772, 720965, 1441930, 2883860, 13574741, 27149482, 54298964, 67873705, 95023187, 135747410, 190046374, 271494820, 380092748, 475115935, 950231870, 1900463740]

約数ペア:

[(1, 1900463740), (2, 950231870), (4, 475115935), (5, 380092748), (7, 271494820), (10, 190046374), (14, 135747410), (20, 95023187), (28, 67873705), (35, 54298964), (70, 27149482), (140, 13574741), (659, 2883860), (1318, 1441930), (2636, 720965), (3295, 576772), (4613, 411980), (6590, 288386), (9226, 205990), (13180, 144193), (18452, 102995), (20599, 92260), (23065, 82396), (41198, 46130)]