563322520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1427}}^1$

素因数の和:1648

約数の個数: 64

約数和(自身を含む): 1295481600

約数和(自身を除く): 732159080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 139, 142, 278, 284, 355, 556, 568, 695, 710, 1112, 1390, 1420, 1427, 2780, 2840, 2854, 5560, 5708, 7135, 9869, 11416, 14270, 19738, 28540, 39476, 49345, 57080, 78952, 98690, 101317, 197380, 198353, 202634, 394760, 396706, 405268, 506585, 793412, 810536, 991765, 1013170, 1586824, 1983530, 2026340, 3967060, 4052680, 7934120, 14083063, 28166126, 56332252, 70415315, 112664504, 140830630, 281661260, 563322520]

約数ペア:

[(1, 563322520), (2, 281661260), (4, 140830630), (5, 112664504), (8, 70415315), (10, 56332252), (20, 28166126), (40, 14083063), (71, 7934120), (139, 4052680), (142, 3967060), (278, 2026340), (284, 1983530), (355, 1586824), (556, 1013170), (568, 991765), (695, 810536), (710, 793412), (1112, 506585), (1390, 405268), (1420, 396706), (1427, 394760), (2780, 202634), (2840, 198353), (2854, 197380), (5560, 101317), (5708, 98690), (7135, 78952), (9869, 57080), (11416, 49345), (14270, 39476), (19738, 28540)]