4879390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 9419040

約数和(自身を除く): 4539650

約数列:

[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 421, 610, 842, 1159, 2105, 2318, 4210, 5795, 7999, 11590, 15998, 25681, 39995, 51362, 79990, 128405, 256810, 487939, 975878, 2439695, 4879390]

約数ペア:

[(1, 4879390), (2, 2439695), (5, 975878), (10, 487939), (19, 256810), (38, 128405), (61, 79990), (95, 51362), (122, 39995), (190, 25681), (305, 15998), (421, 11590), (610, 7999), (842, 5795), (1159, 4210), (2105, 2318)]