77801100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19949}}^1$

素因数の和:19979

約数の個数: 72

約数和(自身を含む): 242432400

約数和(自身を除く): 164631300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 19949, 39898, 59847, 79796, 99745, 119694, 199490, 239388, 259337, 299235, 398980, 498725, 518674, 598470, 778011, 997450, 1037348, 1196940, 1296685, 1496175, 1556022, 1994900, 2593370, 2992350, 3112044, 3890055, 5186740, 5984700, 6483425, 7780110, 12966850, 15560220, 19450275, 25933700, 38900550, 77801100]

約数ペア:

[(1, 77801100), (2, 38900550), (3, 25933700), (4, 19450275), (5, 15560220), (6, 12966850), (10, 7780110), (12, 6483425), (13, 5984700), (15, 5186740), (20, 3890055), (25, 3112044), (26, 2992350), (30, 2593370), (39, 1994900), (50, 1556022), (52, 1496175), (60, 1296685), (65, 1196940), (75, 1037348), (78, 997450), (100, 778011), (130, 598470), (150, 518674), (156, 498725), (195, 398980), (260, 299235), (300, 259337), (325, 239388), (390, 199490), (650, 119694), (780, 99745), (975, 79796), (1300, 59847), (1950, 39898), (3900, 19949)]