218838920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{5693}}^1$

素因数の和:5766

約数の個数: 48

約数和(自身を含む): 508872780

約数和(自身を除く): 290033860

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4805, 5693, 7688, 9610, 11386, 19220, 22772, 28465, 38440, 45544, 56930, 113860, 176483, 227720, 352966, 705932, 882415, 1411864, 1764830, 3529660, 5470973, 7059320, 10941946, 21883892, 27354865, 43767784, 54709730, 109419460, 218838920]

約数ペア:

[(1, 218838920), (2, 109419460), (4, 54709730), (5, 43767784), (8, 27354865), (10, 21883892), (20, 10941946), (31, 7059320), (40, 5470973), (62, 3529660), (124, 1764830), (155, 1411864), (248, 882415), (310, 705932), (620, 352966), (961, 227720), (1240, 176483), (1922, 113860), (3844, 56930), (4805, 45544), (5693, 38440), (7688, 28465), (9610, 22772), (11386, 19220)]