8367220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 18768960

約数和(自身を除く): 10401740

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 227, 380, 388, 454, 485, 908, 970, 1135, 1843, 1940, 2270, 3686, 4313, 4540, 7372, 8626, 9215, 17252, 18430, 21565, 22019, 36860, 43130, 44038, 86260, 88076, 110095, 220190, 418361, 440380, 836722, 1673444, 2091805, 4183610, 8367220]

約数ペア:

[(1, 8367220), (2, 4183610), (4, 2091805), (5, 1673444), (10, 836722), (19, 440380), (20, 418361), (38, 220190), (76, 110095), (95, 88076), (97, 86260), (190, 44038), (194, 43130), (227, 36860), (380, 22019), (388, 21565), (454, 18430), (485, 17252), (908, 9215), (970, 8626), (1135, 7372), (1843, 4540), (1940, 4313), (2270, 3686)]