139264100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:429

約数の個数: 72

約数和(自身を含む): 312792480

約数和(自身を除く): 173528380

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 139, 172, 215, 233, 278, 430, 466, 556, 695, 860, 932, 1075, 1165, 1390, 2150, 2330, 2780, 3475, 4300, 4660, 5825, 5977, 6950, 10019, 11650, 11954, 13900, 20038, 23300, 23908, 29885, 32387, 40076, 50095, 59770, 64774, 100190, 119540, 129548, 149425, 161935, 200380, 250475, 298850, 323870, 500950, 597700, 647740, 809675, 1001900, 1392641, 1619350, 2785282, 3238700, 5570564, 6963205, 13926410, 27852820, 34816025, 69632050, 139264100]

約数ペア:

[(1, 139264100), (2, 69632050), (4, 34816025), (5, 27852820), (10, 13926410), (20, 6963205), (25, 5570564), (43, 3238700), (50, 2785282), (86, 1619350), (100, 1392641), (139, 1001900), (172, 809675), (215, 647740), (233, 597700), (278, 500950), (430, 323870), (466, 298850), (556, 250475), (695, 200380), (860, 161935), (932, 149425), (1075, 129548), (1165, 119540), (1390, 100190), (2150, 64774), (2330, 59770), (2780, 50095), (3475, 40076), (4300, 32387), (4660, 29885), (5825, 23908), (5977, 23300), (6950, 20038), (10019, 13900), (11650, 11954)]