85304940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1031}}^1$

素因数の和:1247

約数の個数: 96

約数和(自身を含む): 274627584

約数和(自身を除く): 189322644

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 197, 210, 394, 420, 591, 788, 985, 1031, 1182, 1379, 1970, 2062, 2364, 2758, 2955, 3093, 3940, 4124, 4137, 5155, 5516, 5910, 6186, 6895, 7217, 8274, 10310, 11820, 12372, 13790, 14434, 15465, 16548, 20620, 20685, 21651, 27580, 28868, 30930, 36085, 41370, 43302, 61860, 72170, 82740, 86604, 108255, 144340, 203107, 216510, 406214, 433020, 609321, 812428, 1015535, 1218642, 1421749, 2031070, 2437284, 2843498, 3046605, 4062140, 4265247, 5686996, 6093210, 7108745, 8530494, 12186420, 14217490, 17060988, 21326235, 28434980, 42652470, 85304940]

約数ペア:

[(1, 85304940), (2, 42652470), (3, 28434980), (4, 21326235), (5, 17060988), (6, 14217490), (7, 12186420), (10, 8530494), (12, 7108745), (14, 6093210), (15, 5686996), (20, 4265247), (21, 4062140), (28, 3046605), (30, 2843498), (35, 2437284), (42, 2031070), (60, 1421749), (70, 1218642), (84, 1015535), (105, 812428), (140, 609321), (197, 433020), (210, 406214), (394, 216510), (420, 203107), (591, 144340), (788, 108255), (985, 86604), (1031, 82740), (1182, 72170), (1379, 61860), (1970, 43302), (2062, 41370), (2364, 36085), (2758, 30930), (2955, 28868), (3093, 27580), (3940, 21651), (4124, 20685), (4137, 20620), (5155, 16548), (5516, 15465), (5910, 14434), (6186, 13790), (6895, 12372), (7217, 11820), (8274, 10310)]