28752920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3541}}^1$

素因数の和:3588

約数の個数: 64

約数和(自身を含む): 76507200

約数和(自身を除く): 47754280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 3541, 4060, 7082, 8120, 14164, 17705, 24787, 28328, 35410, 49574, 70820, 99148, 102689, 123935, 141640, 198296, 205378, 247870, 410756, 495740, 513445, 718823, 821512, 991480, 1026890, 1437646, 2053780, 2875292, 3594115, 4107560, 5750584, 7188230, 14376460, 28752920]

約数ペア:

[(1, 28752920), (2, 14376460), (4, 7188230), (5, 5750584), (7, 4107560), (8, 3594115), (10, 2875292), (14, 2053780), (20, 1437646), (28, 1026890), (29, 991480), (35, 821512), (40, 718823), (56, 513445), (58, 495740), (70, 410756), (116, 247870), (140, 205378), (145, 198296), (203, 141640), (232, 123935), (280, 102689), (290, 99148), (406, 70820), (580, 49574), (812, 35410), (1015, 28328), (1160, 24787), (1624, 17705), (2030, 14164), (3541, 8120), (4060, 7082)]