784311640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{21061}}^1$

素因数の和:21105

約数の個数: 96

約数和(自身を含む): 2160961200

約数和(自身を除く): 1376649560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 380, 392, 490, 532, 665, 760, 931, 980, 1064, 1330, 1862, 1960, 2660, 3724, 4655, 5320, 7448, 9310, 18620, 21061, 37240, 42122, 84244, 105305, 147427, 168488, 210610, 294854, 400159, 421220, 589708, 737135, 800318, 842440, 1031989, 1179416, 1474270, 1600636, 2000795, 2063978, 2801113, 2948540, 3201272, 4001590, 4127956, 5159945, 5602226, 5897080, 8003180, 8255912, 10319890, 11204452, 14005565, 16006360, 19607791, 20639780, 22408904, 28011130, 39215582, 41279560, 56022260, 78431164, 98038955, 112044520, 156862328, 196077910, 392155820, 784311640]

約数ペア:

[(1, 784311640), (2, 392155820), (4, 196077910), (5, 156862328), (7, 112044520), (8, 98038955), (10, 78431164), (14, 56022260), (19, 41279560), (20, 39215582), (28, 28011130), (35, 22408904), (38, 20639780), (40, 19607791), (49, 16006360), (56, 14005565), (70, 11204452), (76, 10319890), (95, 8255912), (98, 8003180), (133, 5897080), (140, 5602226), (152, 5159945), (190, 4127956), (196, 4001590), (245, 3201272), (266, 2948540), (280, 2801113), (380, 2063978), (392, 2000795), (490, 1600636), (532, 1474270), (665, 1179416), (760, 1031989), (931, 842440), (980, 800318), (1064, 737135), (1330, 589708), (1862, 421220), (1960, 400159), (2660, 294854), (3724, 210610), (4655, 168488), (5320, 147427), (7448, 105305), (9310, 84244), (18620, 42122), (21061, 37240)]