402816400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{491}}^1$

素因数の和:809

約数の個数: 120

約数和(自身を含む): 1112053824

約数和(自身を除く): 709237424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 293, 350, 400, 491, 560, 586, 700, 982, 1172, 1400, 1465, 1964, 2051, 2344, 2455, 2800, 2930, 3437, 3928, 4102, 4688, 4910, 5860, 6874, 7325, 7856, 8204, 9820, 10255, 11720, 12275, 13748, 14650, 16408, 17185, 19640, 20510, 23440, 24550, 27496, 29300, 32816, 34370, 39280, 41020, 49100, 51275, 54992, 58600, 68740, 82040, 85925, 98200, 102550, 117200, 137480, 143863, 164080, 171850, 196400, 205100, 274960, 287726, 343700, 410200, 575452, 687400, 719315, 820400, 1007041, 1150904, 1374800, 1438630, 2014082, 2301808, 2877260, 3596575, 4028164, 5035205, 5754520, 7193150, 8056328, 10070410, 11509040, 14386300, 16112656, 20140820, 25176025, 28772600, 40281640, 50352050, 57545200, 80563280, 100704100, 201408200, 402816400]

約数ペア:

[(1, 402816400), (2, 201408200), (4, 100704100), (5, 80563280), (7, 57545200), (8, 50352050), (10, 40281640), (14, 28772600), (16, 25176025), (20, 20140820), (25, 16112656), (28, 14386300), (35, 11509040), (40, 10070410), (50, 8056328), (56, 7193150), (70, 5754520), (80, 5035205), (100, 4028164), (112, 3596575), (140, 2877260), (175, 2301808), (200, 2014082), (280, 1438630), (293, 1374800), (350, 1150904), (400, 1007041), (491, 820400), (560, 719315), (586, 687400), (700, 575452), (982, 410200), (1172, 343700), (1400, 287726), (1465, 274960), (1964, 205100), (2051, 196400), (2344, 171850), (2455, 164080), (2800, 143863), (2930, 137480), (3437, 117200), (3928, 102550), (4102, 98200), (4688, 85925), (4910, 82040), (5860, 68740), (6874, 58600), (7325, 54992), (7856, 51275), (8204, 49100), (9820, 41020), (10255, 39280), (11720, 34370), (12275, 32816), (13748, 29300), (14650, 27496), (16408, 24550), (17185, 23440), (19640, 20510)]