228777880

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{68909}}^1$

素因数の和:69003

約数の個数: 32

約数和(自身を含む): 520959600

約数和(自身を除く): 292181720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 68909, 137818, 275636, 344545, 551272, 689090, 1378180, 2756360, 5719447, 11438894, 22877788, 28597235, 45755576, 57194470, 114388940, 228777880]

約数ペア:

[(1, 228777880), (2, 114388940), (4, 57194470), (5, 45755576), (8, 28597235), (10, 22877788), (20, 11438894), (40, 5719447), (83, 2756360), (166, 1378180), (332, 689090), (415, 551272), (664, 344545), (830, 275636), (1660, 137818), (3320, 68909)]