90451970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1447}}^1$

素因数の和:1527

約数の個数: 64

約数和(自身を含む): 200171520

約数和(自身を除く): 109719550

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 47, 70, 94, 95, 133, 190, 235, 266, 329, 470, 658, 665, 893, 1330, 1447, 1645, 1786, 2894, 3290, 4465, 6251, 7235, 8930, 10129, 12502, 14470, 20258, 27493, 31255, 50645, 54986, 62510, 68009, 101290, 136018, 137465, 192451, 274930, 340045, 384902, 476063, 680090, 952126, 962255, 1292171, 1924510, 2380315, 2584342, 4760630, 6460855, 9045197, 12921710, 18090394, 45225985, 90451970]

約数ペア:

[(1, 90451970), (2, 45225985), (5, 18090394), (7, 12921710), (10, 9045197), (14, 6460855), (19, 4760630), (35, 2584342), (38, 2380315), (47, 1924510), (70, 1292171), (94, 962255), (95, 952126), (133, 680090), (190, 476063), (235, 384902), (266, 340045), (329, 274930), (470, 192451), (658, 137465), (665, 136018), (893, 101290), (1330, 68009), (1447, 62510), (1645, 54986), (1786, 50645), (2894, 31255), (3290, 27493), (4465, 20258), (6251, 14470), (7235, 12502), (8930, 10129)]