489611540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{12433}}^1$

素因数の和:12632

約数の個数: 48

約数和(自身を含む): 1128012480

約数和(自身を除く): 638400940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 716, 895, 1790, 1969, 3580, 3938, 7876, 9845, 12433, 19690, 24866, 39380, 49732, 62165, 124330, 136763, 248660, 273526, 547052, 683815, 1367630, 2225507, 2735260, 4451014, 8902028, 11127535, 22255070, 24480577, 44510140, 48961154, 97922308, 122402885, 244805770, 489611540]

約数ペア:

[(1, 489611540), (2, 244805770), (4, 122402885), (5, 97922308), (10, 48961154), (11, 44510140), (20, 24480577), (22, 22255070), (44, 11127535), (55, 8902028), (110, 4451014), (179, 2735260), (220, 2225507), (358, 1367630), (716, 683815), (895, 547052), (1790, 273526), (1969, 248660), (3580, 136763), (3938, 124330), (7876, 62165), (9845, 49732), (12433, 39380), (19690, 24866)]