99900400

素因数分解:

$2^4\times 5^2\times {\mathrm{137}}^1\times {\mathrm{1823}}^1$

素因数の和:1978

約数の個数: 60

約数和(自身を含む): 241895232

約数和(自身を除く): 141994832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 137, 200, 274, 400, 548, 685, 1096, 1370, 1823, 2192, 2740, 3425, 3646, 5480, 6850, 7292, 9115, 10960, 13700, 14584, 18230, 27400, 29168, 36460, 45575, 54800, 72920, 91150, 145840, 182300, 249751, 364600, 499502, 729200, 999004, 1248755, 1998008, 2497510, 3996016, 4995020, 6243775, 9990040, 12487550, 19980080, 24975100, 49950200, 99900400]

約数ペア:

[(1, 99900400), (2, 49950200), (4, 24975100), (5, 19980080), (8, 12487550), (10, 9990040), (16, 6243775), (20, 4995020), (25, 3996016), (40, 2497510), (50, 1998008), (80, 1248755), (100, 999004), (137, 729200), (200, 499502), (274, 364600), (400, 249751), (548, 182300), (685, 145840), (1096, 91150), (1370, 72920), (1823, 54800), (2192, 45575), (2740, 36460), (3425, 29168), (3646, 27400), (5480, 18230), (6850, 14584), (7292, 13700), (9115, 10960)]