289186460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{2447}}^1$

素因数の和:2786

約数の個数: 48

約数和(自身を含む): 641571840

約数和(自身を除く): 352385380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 311, 380, 622, 1244, 1555, 2447, 3110, 4894, 5909, 6220, 9788, 11818, 12235, 23636, 24470, 29545, 46493, 48940, 59090, 92986, 118180, 185972, 232465, 464930, 761017, 929860, 1522034, 3044068, 3805085, 7610170, 14459323, 15220340, 28918646, 57837292, 72296615, 144593230, 289186460]

約数ペア:

[(1, 289186460), (2, 144593230), (4, 72296615), (5, 57837292), (10, 28918646), (19, 15220340), (20, 14459323), (38, 7610170), (76, 3805085), (95, 3044068), (190, 1522034), (311, 929860), (380, 761017), (622, 464930), (1244, 232465), (1555, 185972), (2447, 118180), (3110, 92986), (4894, 59090), (5909, 48940), (6220, 46493), (9788, 29545), (11818, 24470), (12235, 23636)]