396457040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{5323}}^1$

素因数の和:5369

約数の個数: 120

約数和(自身を含む): 1128900960

約数和(自身を除く): 732443920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 280, 304, 380, 392, 490, 532, 560, 665, 760, 784, 931, 980, 1064, 1330, 1520, 1862, 1960, 2128, 2660, 3724, 3920, 4655, 5320, 5323, 7448, 9310, 10640, 10646, 14896, 18620, 21292, 26615, 37240, 37261, 42584, 53230, 74480, 74522, 85168, 101137, 106460, 149044, 186305, 202274, 212920, 260827, 298088, 372610, 404548, 425840, 505685, 521654, 596176, 707959, 745220, 809096, 1011370, 1043308, 1304135, 1415918, 1490440, 1618192, 2022740, 2086616, 2608270, 2831836, 2980880, 3539795, 4045480, 4173232, 4955713, 5216540, 5663672, 7079590, 8090960, 9911426, 10433080, 11327344, 14159180, 19822852, 20866160, 24778565, 28318360, 39645704, 49557130, 56636720, 79291408, 99114260, 198228520, 396457040]

約数ペア:

[(1, 396457040), (2, 198228520), (4, 99114260), (5, 79291408), (7, 56636720), (8, 49557130), (10, 39645704), (14, 28318360), (16, 24778565), (19, 20866160), (20, 19822852), (28, 14159180), (35, 11327344), (38, 10433080), (40, 9911426), (49, 8090960), (56, 7079590), (70, 5663672), (76, 5216540), (80, 4955713), (95, 4173232), (98, 4045480), (112, 3539795), (133, 2980880), (140, 2831836), (152, 2608270), (190, 2086616), (196, 2022740), (245, 1618192), (266, 1490440), (280, 1415918), (304, 1304135), (380, 1043308), (392, 1011370), (490, 809096), (532, 745220), (560, 707959), (665, 596176), (760, 521654), (784, 505685), (931, 425840), (980, 404548), (1064, 372610), (1330, 298088), (1520, 260827), (1862, 212920), (1960, 202274), (2128, 186305), (2660, 149044), (3724, 106460), (3920, 101137), (4655, 85168), (5320, 74522), (5323, 74480), (7448, 53230), (9310, 42584), (10640, 37261), (10646, 37240), (14896, 26615), (18620, 21292)]