1785909680

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{230143}}^1$

素因数の和:230253

約数の個数: 40

約数和(自身を含む): 4195064832

約数和(自身を除く): 2409155152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 7760, 230143, 460286, 920572, 1150715, 1841144, 2301430, 3682288, 4602860, 9205720, 18411440, 22323871, 44647742, 89295484, 111619355, 178590968, 223238710, 357181936, 446477420, 892954840, 1785909680]

約数ペア:

[(1, 1785909680), (2, 892954840), (4, 446477420), (5, 357181936), (8, 223238710), (10, 178590968), (16, 111619355), (20, 89295484), (40, 44647742), (80, 22323871), (97, 18411440), (194, 9205720), (388, 4602860), (485, 3682288), (776, 2301430), (970, 1841144), (1552, 1150715), (1940, 920572), (3880, 460286), (7760, 230143)]