28434280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{587}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 73664640

約数和(自身を除く): 45230360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 587, 692, 865, 1174, 1211, 1384, 1730, 2348, 2422, 2935, 3460, 4109, 4696, 4844, 5870, 6055, 6920, 8218, 9688, 11740, 12110, 16436, 20545, 23480, 24220, 32872, 41090, 48440, 82180, 101551, 164360, 203102, 406204, 507755, 710857, 812408, 1015510, 1421714, 2031020, 2843428, 3554285, 4062040, 5686856, 7108570, 14217140, 28434280]

約数ペア:

[(1, 28434280), (2, 14217140), (4, 7108570), (5, 5686856), (7, 4062040), (8, 3554285), (10, 2843428), (14, 2031020), (20, 1421714), (28, 1015510), (35, 812408), (40, 710857), (56, 507755), (70, 406204), (140, 203102), (173, 164360), (280, 101551), (346, 82180), (587, 48440), (692, 41090), (865, 32872), (1174, 24220), (1211, 23480), (1384, 20545), (1730, 16436), (2348, 12110), (2422, 11740), (2935, 9688), (3460, 8218), (4109, 6920), (4696, 6055), (4844, 5870)]