201741820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1481}}^1$

素因数の和:1643

約数の個数: 72

約数和(自身を含む): 496707120

約数和(自身を除く): 294965300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 139, 140, 196, 245, 278, 490, 556, 695, 973, 980, 1390, 1481, 1946, 2780, 2962, 3892, 4865, 5924, 6811, 7405, 9730, 10367, 13622, 14810, 19460, 20734, 27244, 29620, 34055, 41468, 51835, 68110, 72569, 103670, 136220, 145138, 205859, 207340, 290276, 362845, 411718, 725690, 823436, 1029295, 1441013, 1451380, 2058590, 2882026, 4117180, 5764052, 7205065, 10087091, 14410130, 20174182, 28820260, 40348364, 50435455, 100870910, 201741820]

約数ペア:

[(1, 201741820), (2, 100870910), (4, 50435455), (5, 40348364), (7, 28820260), (10, 20174182), (14, 14410130), (20, 10087091), (28, 7205065), (35, 5764052), (49, 4117180), (70, 2882026), (98, 2058590), (139, 1451380), (140, 1441013), (196, 1029295), (245, 823436), (278, 725690), (490, 411718), (556, 362845), (695, 290276), (973, 207340), (980, 205859), (1390, 145138), (1481, 136220), (1946, 103670), (2780, 72569), (2962, 68110), (3892, 51835), (4865, 41468), (5924, 34055), (6811, 29620), (7405, 27244), (9730, 20734), (10367, 19460), (13622, 14810)]