7983780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19009}}^1$

素因数の和:19028

約数の個数: 48

約数和(自身を含む): 25549440

約数和(自身を除く): 17565660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 19009, 38018, 57027, 76036, 95045, 114054, 133063, 190090, 228108, 266126, 285135, 380180, 399189, 532252, 570270, 665315, 798378, 1140540, 1330630, 1596756, 1995945, 2661260, 3991890, 7983780]

約数ペア:

[(1, 7983780), (2, 3991890), (3, 2661260), (4, 1995945), (5, 1596756), (6, 1330630), (7, 1140540), (10, 798378), (12, 665315), (14, 570270), (15, 532252), (20, 399189), (21, 380180), (28, 285135), (30, 266126), (35, 228108), (42, 190090), (60, 133063), (70, 114054), (84, 95045), (105, 76036), (140, 57027), (210, 38018), (420, 19009)]