71946400

素因数分解:

$2^5\times 5^2\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:806

約数の個数: 72

約数和(自身を含む): 177176160

約数和(自身を除く): 105229760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 139, 160, 200, 278, 400, 556, 647, 695, 800, 1112, 1294, 1390, 2224, 2588, 2780, 3235, 3475, 4448, 5176, 5560, 6470, 6950, 10352, 11120, 12940, 13900, 16175, 20704, 22240, 25880, 27800, 32350, 51760, 55600, 64700, 89933, 103520, 111200, 129400, 179866, 258800, 359732, 449665, 517600, 719464, 899330, 1438928, 1798660, 2248325, 2877856, 3597320, 4496650, 7194640, 8993300, 14389280, 17986600, 35973200, 71946400]

約数ペア:

[(1, 71946400), (2, 35973200), (4, 17986600), (5, 14389280), (8, 8993300), (10, 7194640), (16, 4496650), (20, 3597320), (25, 2877856), (32, 2248325), (40, 1798660), (50, 1438928), (80, 899330), (100, 719464), (139, 517600), (160, 449665), (200, 359732), (278, 258800), (400, 179866), (556, 129400), (647, 111200), (695, 103520), (800, 89933), (1112, 64700), (1294, 55600), (1390, 51760), (2224, 32350), (2588, 27800), (2780, 25880), (3235, 22240), (3475, 20704), (4448, 16175), (5176, 13900), (5560, 12940), (6470, 11120), (6950, 10352)]