28274960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{7213}}^1$

素因数の和:7240

約数の個数: 60

約数和(自身を含む): 76482828

約数和(自身を除く): 48207868

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 7213, 14426, 28852, 36065, 50491, 57704, 72130, 100982, 115408, 144260, 201964, 252455, 288520, 353437, 403928, 504910, 577040, 706874, 807856, 1009820, 1413748, 1767185, 2019640, 2827496, 3534370, 4039280, 5654992, 7068740, 14137480, 28274960]

約数ペア:

[(1, 28274960), (2, 14137480), (4, 7068740), (5, 5654992), (7, 4039280), (8, 3534370), (10, 2827496), (14, 2019640), (16, 1767185), (20, 1413748), (28, 1009820), (35, 807856), (40, 706874), (49, 577040), (56, 504910), (70, 403928), (80, 353437), (98, 288520), (112, 252455), (140, 201964), (196, 144260), (245, 115408), (280, 100982), (392, 72130), (490, 57704), (560, 50491), (784, 36065), (980, 28852), (1960, 14426), (3920, 7213)]