1338997660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{66883}}^1$

素因数の和:66923

約数の個数: 96

約数和(自身を含む): 3775468032

約数和(自身を除く): 2436470372

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1820, 2002, 2860, 4004, 5005, 10010, 20020, 66883, 133766, 267532, 334415, 468181, 668830, 735713, 869479, 936362, 1337660, 1471426, 1738958, 1872724, 2340905, 2942852, 3477916, 3678565, 4347395, 4681810, 5149991, 6086353, 7357130, 8694790, 9363620, 9564269, 10299982, 12172706, 14714260, 17389580, 19128538, 20599964, 24345412, 25749955, 30431765, 38257076, 47821345, 51499910, 60863530, 66949883, 95642690, 102999820, 121727060, 133899766, 191285380, 267799532, 334749415, 669498830, 1338997660]

約数ペア:

[(1, 1338997660), (2, 669498830), (4, 334749415), (5, 267799532), (7, 191285380), (10, 133899766), (11, 121727060), (13, 102999820), (14, 95642690), (20, 66949883), (22, 60863530), (26, 51499910), (28, 47821345), (35, 38257076), (44, 30431765), (52, 25749955), (55, 24345412), (65, 20599964), (70, 19128538), (77, 17389580), (91, 14714260), (110, 12172706), (130, 10299982), (140, 9564269), (143, 9363620), (154, 8694790), (182, 7357130), (220, 6086353), (260, 5149991), (286, 4681810), (308, 4347395), (364, 3678565), (385, 3477916), (455, 2942852), (572, 2340905), (715, 1872724), (770, 1738958), (910, 1471426), (1001, 1337660), (1430, 936362), (1540, 869479), (1820, 735713), (2002, 668830), (2860, 468181), (4004, 334415), (5005, 267532), (10010, 133766), (20020, 66883)]