398144880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:624

約数の個数: 240

約数和(自身を含む): 1539705024

約数和(自身を除く): 1141560144

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 197, 210, 240, 252, 280, 315, 336, 360, 394, 401, 420, 504, 560, 591, 630, 720, 788, 802, 840, 985, 1008, 1182, 1203, 1260, 1379, 1576, 1604, 1680, 1773, 1970, 2005, 2364, 2406, 2520, 2758, 2807, 2955, 3152, 3208, 3546, 3609, 3940, 4010, 4137, 4728, 4812, 5040, 5516, 5614, 5910, 6015, 6416, 6895, 7092, 7218, 7880, 8020, 8274, 8421, 8865, 9456, 9624, 11032, 11228, 11820, 12030, 12411, 13790, 14035, 14184, 14436, 15760, 16040, 16548, 16842, 17730, 18045, 19248, 20685, 22064, 22456, 23640, 24060, 24822, 25263, 27580, 28070, 28368, 28872, 32080, 33096, 33684, 35460, 36090, 41370, 42105, 44912, 47280, 48120, 49644, 50526, 55160, 56140, 57744, 62055, 66192, 67368, 70920, 72180, 78997, 82740, 84210, 96240, 99288, 101052, 110320, 112280, 124110, 126315, 134736, 141840, 144360, 157994, 165480, 168420, 198576, 202104, 224560, 236991, 248220, 252630, 288720, 315988, 330960, 336840, 394985, 404208, 473982, 496440, 505260, 552979, 631976, 673680, 710973, 789970, 947964, 992880, 1010520, 1105958, 1184955, 1263952, 1421946, 1579940, 1658937, 1895928, 2021040, 2211916, 2369910, 2764895, 2843892, 3159880, 3317874, 3554865, 3791856, 4423832, 4739820, 4976811, 5529790, 5687784, 6319760, 6635748, 7109730, 8294685, 8847664, 9479640, 9953622, 11059580, 11375568, 13271496, 14219460, 16589370, 18959280, 19907244, 22119160, 24884055, 26542992, 28438920, 33178740, 39814488, 44238320, 49768110, 56877840, 66357480, 79628976, 99536220, 132714960, 199072440, 398144880]

約数ペア:

[(1, 398144880), (2, 199072440), (3, 132714960), (4, 99536220), (5, 79628976), (6, 66357480), (7, 56877840), (8, 49768110), (9, 44238320), (10, 39814488), (12, 33178740), (14, 28438920), (15, 26542992), (16, 24884055), (18, 22119160), (20, 19907244), (21, 18959280), (24, 16589370), (28, 14219460), (30, 13271496), (35, 11375568), (36, 11059580), (40, 9953622), (42, 9479640), (45, 8847664), (48, 8294685), (56, 7109730), (60, 6635748), (63, 6319760), (70, 5687784), (72, 5529790), (80, 4976811), (84, 4739820), (90, 4423832), (105, 3791856), (112, 3554865), (120, 3317874), (126, 3159880), (140, 2843892), (144, 2764895), (168, 2369910), (180, 2211916), (197, 2021040), (210, 1895928), (240, 1658937), (252, 1579940), (280, 1421946), (315, 1263952), (336, 1184955), (360, 1105958), (394, 1010520), (401, 992880), (420, 947964), (504, 789970), (560, 710973), (591, 673680), (630, 631976), (720, 552979), (788, 505260), (802, 496440), (840, 473982), (985, 404208), (1008, 394985), (1182, 336840), (1203, 330960), (1260, 315988), (1379, 288720), (1576, 252630), (1604, 248220), (1680, 236991), (1773, 224560), (1970, 202104), (2005, 198576), (2364, 168420), (2406, 165480), (2520, 157994), (2758, 144360), (2807, 141840), (2955, 134736), (3152, 126315), (3208, 124110), (3546, 112280), (3609, 110320), (3940, 101052), (4010, 99288), (4137, 96240), (4728, 84210), (4812, 82740), (5040, 78997), (5516, 72180), (5614, 70920), (5910, 67368), (6015, 66192), (6416, 62055), (6895, 57744), (7092, 56140), (7218, 55160), (7880, 50526), (8020, 49644), (8274, 48120), (8421, 47280), (8865, 44912), (9456, 42105), (9624, 41370), (11032, 36090), (11228, 35460), (11820, 33684), (12030, 33096), (12411, 32080), (13790, 28872), (14035, 28368), (14184, 28070), (14436, 27580), (15760, 25263), (16040, 24822), (16548, 24060), (16842, 23640), (17730, 22456), (18045, 22064), (19248, 20685)]