1138974875

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 1539772416

約数和(自身を除く): 400797541

約数列:

[1, 5, 25, 31, 41, 67, 107, 125, 155, 205, 335, 535, 775, 1025, 1271, 1675, 2077, 2675, 2747, 3317, 3875, 4387, 5125, 6355, 7169, 8375, 10385, 13375, 13735, 16585, 21935, 31775, 35845, 51925, 68675, 82925, 85157, 109675, 135997, 158875, 179225, 222239, 259625, 293929, 343375, 414625, 425785, 548375, 679985, 896125, 1111195, 1469645, 2128925, 3399925, 5555975, 7348225, 9111799, 10644625, 16999625, 27779875, 36741125, 45558995, 227794975, 1138974875]

約数ペア:

[(1, 1138974875), (5, 227794975), (25, 45558995), (31, 36741125), (41, 27779875), (67, 16999625), (107, 10644625), (125, 9111799), (155, 7348225), (205, 5555975), (335, 3399925), (535, 2128925), (775, 1469645), (1025, 1111195), (1271, 896125), (1675, 679985), (2077, 548375), (2675, 425785), (2747, 414625), (3317, 343375), (3875, 293929), (4387, 259625), (5125, 222239), (6355, 179225), (7169, 158875), (8375, 135997), (10385, 109675), (13375, 85157), (13735, 82925), (16585, 68675), (21935, 51925), (31775, 35845)]