2019654490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{601}}^1\times {\mathrm{787}}^1$

素因数の和:1463

約数の個数: 64

約数和(自身を含む): 4235228928

約数和(自身を除く): 2215574438

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 601, 610, 787, 854, 1202, 1574, 2135, 3005, 3935, 4207, 4270, 5509, 6010, 7870, 8414, 11018, 21035, 27545, 36661, 42070, 48007, 55090, 73322, 96014, 183305, 240035, 256627, 336049, 366610, 472987, 480070, 513254, 672098, 945974, 1283135, 1680245, 2364935, 2566270, 3310909, 3360490, 4729870, 6621818, 16554545, 28852207, 33109090, 57704414, 144261035, 201965449, 288522070, 403930898, 1009827245, 2019654490]

約数ペア:

[(1, 2019654490), (2, 1009827245), (5, 403930898), (7, 288522070), (10, 201965449), (14, 144261035), (35, 57704414), (61, 33109090), (70, 28852207), (122, 16554545), (305, 6621818), (427, 4729870), (601, 3360490), (610, 3310909), (787, 2566270), (854, 2364935), (1202, 1680245), (1574, 1283135), (2135, 945974), (3005, 672098), (3935, 513254), (4207, 480070), (4270, 472987), (5509, 366610), (6010, 336049), (7870, 256627), (8414, 240035), (11018, 183305), (21035, 96014), (27545, 73322), (36661, 55090), (42070, 48007)]