2278902220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{647}}^1$

素因数の和:983

約数の個数: 96

約数和(自身を含む): 5547709440

約数和(自身を除く): 3268807220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 181, 278, 362, 556, 647, 695, 724, 905, 973, 1267, 1294, 1390, 1810, 1946, 2534, 2588, 2780, 3235, 3620, 3892, 4529, 4865, 5068, 6335, 6470, 9058, 9730, 12670, 12940, 18116, 19460, 22645, 25159, 25340, 45290, 50318, 89933, 90580, 100636, 117107, 125795, 176113, 179866, 234214, 251590, 352226, 359732, 449665, 468428, 503180, 585535, 629531, 704452, 819749, 880565, 899330, 1171070, 1259062, 1639498, 1761130, 1798660, 2342140, 2518124, 3147655, 3278996, 3522260, 4098745, 6295310, 8197490, 12590620, 16277873, 16394980, 32555746, 65111492, 81389365, 113945111, 162778730, 227890222, 325557460, 455780444, 569725555, 1139451110, 2278902220]

約数ペア:

[(1, 2278902220), (2, 1139451110), (4, 569725555), (5, 455780444), (7, 325557460), (10, 227890222), (14, 162778730), (20, 113945111), (28, 81389365), (35, 65111492), (70, 32555746), (139, 16394980), (140, 16277873), (181, 12590620), (278, 8197490), (362, 6295310), (556, 4098745), (647, 3522260), (695, 3278996), (724, 3147655), (905, 2518124), (973, 2342140), (1267, 1798660), (1294, 1761130), (1390, 1639498), (1810, 1259062), (1946, 1171070), (2534, 899330), (2588, 880565), (2780, 819749), (3235, 704452), (3620, 629531), (3892, 585535), (4529, 503180), (4865, 468428), (5068, 449665), (6335, 359732), (6470, 352226), (9058, 251590), (9730, 234214), (12670, 179866), (12940, 176113), (18116, 125795), (19460, 117107), (22645, 100636), (25159, 90580), (25340, 89933), (45290, 50318)]