201661840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{353}}^1$

素因数の和:596

約数の個数: 80

約数和(自身を含む): 485401968

約数和(自身を除く): 283740128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 193, 296, 353, 370, 386, 592, 706, 740, 772, 965, 1412, 1480, 1544, 1765, 1930, 2824, 2960, 3088, 3530, 3860, 5648, 7060, 7141, 7720, 13061, 14120, 14282, 15440, 26122, 28240, 28564, 35705, 52244, 57128, 65305, 68129, 71410, 104488, 114256, 130610, 136258, 142820, 208976, 261220, 272516, 285640, 340645, 522440, 545032, 571280, 681290, 1044880, 1090064, 1362580, 2520773, 2725160, 5041546, 5450320, 10083092, 12603865, 20166184, 25207730, 40332368, 50415460, 100830920, 201661840]

約数ペア:

[(1, 201661840), (2, 100830920), (4, 50415460), (5, 40332368), (8, 25207730), (10, 20166184), (16, 12603865), (20, 10083092), (37, 5450320), (40, 5041546), (74, 2725160), (80, 2520773), (148, 1362580), (185, 1090064), (193, 1044880), (296, 681290), (353, 571280), (370, 545032), (386, 522440), (592, 340645), (706, 285640), (740, 272516), (772, 261220), (965, 208976), (1412, 142820), (1480, 136258), (1544, 130610), (1765, 114256), (1930, 104488), (2824, 71410), (2960, 68129), (3088, 65305), (3530, 57128), (3860, 52244), (5648, 35705), (7060, 28564), (7141, 28240), (7720, 26122), (13061, 15440), (14120, 14282)]