28850650

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 56346840

約数和(自身を除く): 27496190

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 101, 145, 197, 202, 290, 394, 505, 725, 985, 1010, 1450, 1970, 2525, 2929, 4925, 5050, 5713, 5858, 9850, 11426, 14645, 19897, 28565, 29290, 39794, 57130, 73225, 99485, 142825, 146450, 198970, 285650, 497425, 577013, 994850, 1154026, 2885065, 5770130, 14425325, 28850650]

約数ペア:

[(1, 28850650), (2, 14425325), (5, 5770130), (10, 2885065), (25, 1154026), (29, 994850), (50, 577013), (58, 497425), (101, 285650), (145, 198970), (197, 146450), (202, 142825), (290, 99485), (394, 73225), (505, 57130), (725, 39794), (985, 29290), (1010, 28565), (1450, 19897), (1970, 14645), (2525, 11426), (2929, 9850), (4925, 5858), (5050, 5713)]