248701970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{1471}}^1$

素因数の和:1571

約数の個数: 64

約数和(自身を含む): 515082240

約数和(自身を除く): 266380270

約数列:

[1, 2, 5, 10, 11, 22, 29, 53, 55, 58, 106, 110, 145, 265, 290, 319, 530, 583, 638, 1166, 1471, 1537, 1595, 2915, 2942, 3074, 3190, 5830, 7355, 7685, 14710, 15370, 16181, 16907, 32362, 33814, 42659, 77963, 80905, 84535, 85318, 155926, 161810, 169070, 213295, 389815, 426590, 469249, 779630, 857593, 938498, 1715186, 2260927, 2346245, 4287965, 4521854, 4692490, 8575930, 11304635, 22609270, 24870197, 49740394, 124350985, 248701970]

約数ペア:

[(1, 248701970), (2, 124350985), (5, 49740394), (10, 24870197), (11, 22609270), (22, 11304635), (29, 8575930), (53, 4692490), (55, 4521854), (58, 4287965), (106, 2346245), (110, 2260927), (145, 1715186), (265, 938498), (290, 857593), (319, 779630), (530, 469249), (583, 426590), (638, 389815), (1166, 213295), (1471, 169070), (1537, 161810), (1595, 155926), (2915, 85318), (2942, 84535), (3074, 80905), (3190, 77963), (5830, 42659), (7355, 33814), (7685, 32362), (14710, 16907), (15370, 16181)]