19974300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:635

約数の個数: 72

約数和(自身を含む): 58329600

約数和(自身を除く): 38355300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 139, 150, 278, 300, 417, 479, 556, 695, 834, 958, 1390, 1437, 1668, 1916, 2085, 2395, 2780, 2874, 3475, 4170, 4790, 5748, 6950, 7185, 8340, 9580, 10425, 11975, 13900, 14370, 20850, 23950, 28740, 35925, 41700, 47900, 66581, 71850, 133162, 143700, 199743, 266324, 332905, 399486, 665810, 798972, 998715, 1331620, 1664525, 1997430, 3329050, 3994860, 4993575, 6658100, 9987150, 19974300]

約数ペア:

[(1, 19974300), (2, 9987150), (3, 6658100), (4, 4993575), (5, 3994860), (6, 3329050), (10, 1997430), (12, 1664525), (15, 1331620), (20, 998715), (25, 798972), (30, 665810), (50, 399486), (60, 332905), (75, 266324), (100, 199743), (139, 143700), (150, 133162), (278, 71850), (300, 66581), (417, 47900), (479, 41700), (556, 35925), (695, 28740), (834, 23950), (958, 20850), (1390, 14370), (1437, 13900), (1668, 11975), (1916, 10425), (2085, 9580), (2395, 8340), (2780, 7185), (2874, 6950), (3475, 5748), (4170, 4790)]