1900150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 48

約数和(自身を含む): 4151520

約数和(自身を除く): 2251370

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 61, 70, 89, 122, 175, 178, 305, 350, 427, 445, 610, 623, 854, 890, 1246, 1525, 2135, 2225, 3050, 3115, 4270, 4450, 5429, 6230, 10675, 10858, 15575, 21350, 27145, 31150, 38003, 54290, 76006, 135725, 190015, 271450, 380030, 950075, 1900150]

約数ペア:

[(1, 1900150), (2, 950075), (5, 380030), (7, 271450), (10, 190015), (14, 135725), (25, 76006), (35, 54290), (50, 38003), (61, 31150), (70, 27145), (89, 21350), (122, 15575), (175, 10858), (178, 10675), (305, 6230), (350, 5429), (427, 4450), (445, 4270), (610, 3115), (623, 3050), (854, 2225), (890, 2135), (1246, 1525)]