17820349820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{227707}}^1$

素因数の和:227779

約数の個数: 96

約数和(自身を含む): 47130091008

約数和(自身を除く): 29309741188

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 43, 52, 65, 70, 86, 91, 130, 140, 172, 182, 215, 260, 301, 364, 430, 455, 559, 602, 860, 910, 1118, 1204, 1505, 1820, 2236, 2795, 3010, 3913, 5590, 6020, 7826, 11180, 15652, 19565, 39130, 78260, 227707, 455414, 910828, 1138535, 1593949, 2277070, 2960191, 3187898, 4554140, 5920382, 6375796, 7969745, 9791401, 11840764, 14800955, 15939490, 19582802, 20721337, 29601910, 31878980, 39165604, 41442674, 48957005, 59203820, 68539807, 82885348, 97914010, 103606685, 127288213, 137079614, 195828020, 207213370, 254576426, 274159228, 342699035, 414426740, 509152852, 636441065, 685398070, 891017491, 1272882130, 1370796140, 1782034982, 2545764260, 3564069964, 4455087455, 8910174910, 17820349820]

約数ペア:

[(1, 17820349820), (2, 8910174910), (4, 4455087455), (5, 3564069964), (7, 2545764260), (10, 1782034982), (13, 1370796140), (14, 1272882130), (20, 891017491), (26, 685398070), (28, 636441065), (35, 509152852), (43, 414426740), (52, 342699035), (65, 274159228), (70, 254576426), (86, 207213370), (91, 195828020), (130, 137079614), (140, 127288213), (172, 103606685), (182, 97914010), (215, 82885348), (260, 68539807), (301, 59203820), (364, 48957005), (430, 41442674), (455, 39165604), (559, 31878980), (602, 29601910), (860, 20721337), (910, 19582802), (1118, 15939490), (1204, 14800955), (1505, 11840764), (1820, 9791401), (2236, 7969745), (2795, 6375796), (3010, 5920382), (3913, 4554140), (5590, 3187898), (6020, 2960191), (7826, 2277070), (11180, 1593949), (15652, 1138535), (19565, 910828), (39130, 455414), (78260, 227707)]