404985760

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1319}}^1$

素因数の和:1454

約数の個数: 96

約数和(自身を含む): 1017878400

約数和(自身を除く): 612892640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 101, 152, 160, 190, 202, 304, 380, 404, 505, 608, 760, 808, 1010, 1319, 1520, 1616, 1919, 2020, 2638, 3040, 3232, 3838, 4040, 5276, 6595, 7676, 8080, 9595, 10552, 13190, 15352, 16160, 19190, 21104, 25061, 26380, 30704, 38380, 42208, 50122, 52760, 61408, 76760, 100244, 105520, 125305, 133219, 153520, 200488, 211040, 250610, 266438, 307040, 400976, 501220, 532876, 666095, 801952, 1002440, 1065752, 1332190, 2004880, 2131504, 2531161, 2664380, 4009760, 4263008, 5062322, 5328760, 10124644, 10657520, 12655805, 20249288, 21315040, 25311610, 40498576, 50623220, 80997152, 101246440, 202492880, 404985760]

約数ペア:

[(1, 404985760), (2, 202492880), (4, 101246440), (5, 80997152), (8, 50623220), (10, 40498576), (16, 25311610), (19, 21315040), (20, 20249288), (32, 12655805), (38, 10657520), (40, 10124644), (76, 5328760), (80, 5062322), (95, 4263008), (101, 4009760), (152, 2664380), (160, 2531161), (190, 2131504), (202, 2004880), (304, 1332190), (380, 1065752), (404, 1002440), (505, 801952), (608, 666095), (760, 532876), (808, 501220), (1010, 400976), (1319, 307040), (1520, 266438), (1616, 250610), (1919, 211040), (2020, 200488), (2638, 153520), (3040, 133219), (3232, 125305), (3838, 105520), (4040, 100244), (5276, 76760), (6595, 61408), (7676, 52760), (8080, 50122), (9595, 42208), (10552, 38380), (13190, 30704), (15352, 26380), (16160, 25061), (19190, 21104)]