489355840

素因数分解:

$2^6\times 5^1\times {\mathrm{683}}^1\times {\mathrm{2239}}^1$

素因数の和:2939

約数の個数: 56

約数和(自身を含む): 1167505920

約数和(自身を除く): 678150080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 683, 1366, 2239, 2732, 3415, 4478, 5464, 6830, 8956, 10928, 11195, 13660, 17912, 21856, 22390, 27320, 35824, 43712, 44780, 54640, 71648, 89560, 109280, 143296, 179120, 218560, 358240, 716480, 1529237, 3058474, 6116948, 7646185, 12233896, 15292370, 24467792, 30584740, 48935584, 61169480, 97871168, 122338960, 244677920, 489355840]

約数ペア:

[(1, 489355840), (2, 244677920), (4, 122338960), (5, 97871168), (8, 61169480), (10, 48935584), (16, 30584740), (20, 24467792), (32, 15292370), (40, 12233896), (64, 7646185), (80, 6116948), (160, 3058474), (320, 1529237), (683, 716480), (1366, 358240), (2239, 218560), (2732, 179120), (3415, 143296), (4478, 109280), (5464, 89560), (6830, 71648), (8956, 54640), (10928, 44780), (11195, 43712), (13660, 35824), (17912, 27320), (21856, 22390)]