785840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:90

約数の個数: 80

約数和(自身を含む): 2142720

約数和(自身を除く): 1356880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 47, 55, 76, 80, 88, 94, 95, 110, 152, 176, 188, 190, 209, 220, 235, 304, 376, 380, 418, 440, 470, 517, 752, 760, 836, 880, 893, 940, 1034, 1045, 1520, 1672, 1786, 1880, 2068, 2090, 2585, 3344, 3572, 3760, 4136, 4180, 4465, 5170, 7144, 8272, 8360, 8930, 9823, 10340, 14288, 16720, 17860, 19646, 20680, 35720, 39292, 41360, 49115, 71440, 78584, 98230, 157168, 196460, 392920, 785840]

約数ペア:

[(1, 785840), (2, 392920), (4, 196460), (5, 157168), (8, 98230), (10, 78584), (11, 71440), (16, 49115), (19, 41360), (20, 39292), (22, 35720), (38, 20680), (40, 19646), (44, 17860), (47, 16720), (55, 14288), (76, 10340), (80, 9823), (88, 8930), (94, 8360), (95, 8272), (110, 7144), (152, 5170), (176, 4465), (188, 4180), (190, 4136), (209, 3760), (220, 3572), (235, 3344), (304, 2585), (376, 2090), (380, 2068), (418, 1880), (440, 1786), (470, 1672), (517, 1520), (752, 1045), (760, 1034), (836, 940), (880, 893)]