38963590

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 77045760

約数和(自身を除く): 38082170

約数列:

[1, 2, 5, 10, 31, 37, 43, 62, 74, 79, 86, 155, 158, 185, 215, 310, 370, 395, 430, 790, 1147, 1333, 1591, 2294, 2449, 2666, 2923, 3182, 3397, 4898, 5735, 5846, 6665, 6794, 7955, 11470, 12245, 13330, 14615, 15910, 16985, 24490, 29230, 33970, 49321, 90613, 98642, 105307, 125689, 181226, 210614, 246605, 251378, 453065, 493210, 526535, 628445, 906130, 1053070, 1256890, 3896359, 7792718, 19481795, 38963590]

約数ペア:

[(1, 38963590), (2, 19481795), (5, 7792718), (10, 3896359), (31, 1256890), (37, 1053070), (43, 906130), (62, 628445), (74, 526535), (79, 493210), (86, 453065), (155, 251378), (158, 246605), (185, 210614), (215, 181226), (310, 125689), (370, 105307), (395, 98642), (430, 90613), (790, 49321), (1147, 33970), (1333, 29230), (1591, 24490), (2294, 16985), (2449, 15910), (2666, 14615), (2923, 13330), (3182, 12245), (3397, 11470), (4898, 7955), (5735, 6794), (5846, 6665)]