90371540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{22259}}^1$

素因数の和:22304

約数の個数: 48

約数和(自身を含む): 224380800

約数和(自身を除く): 134009260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 22259, 44518, 89036, 111295, 155813, 222590, 311626, 445180, 623252, 645511, 779065, 1291022, 1558130, 2582044, 3116260, 3227555, 4518577, 6455110, 9037154, 12910220, 18074308, 22592885, 45185770, 90371540]

約数ペア:

[(1, 90371540), (2, 45185770), (4, 22592885), (5, 18074308), (7, 12910220), (10, 9037154), (14, 6455110), (20, 4518577), (28, 3227555), (29, 3116260), (35, 2582044), (58, 1558130), (70, 1291022), (116, 779065), (140, 645511), (145, 623252), (203, 445180), (290, 311626), (406, 222590), (580, 155813), (812, 111295), (1015, 89036), (2030, 44518), (4060, 22259)]