71399240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{617}}^1$

素因数の和:902

約数の個数: 64

約数和(自身を含む): 176204160

約数和(自身を除く): 104804920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 263, 440, 526, 617, 1052, 1234, 1315, 2104, 2468, 2630, 2893, 3085, 4936, 5260, 5786, 6170, 6787, 10520, 11572, 12340, 13574, 14465, 23144, 24680, 27148, 28930, 33935, 54296, 57860, 67870, 115720, 135740, 162271, 271480, 324542, 649084, 811355, 1298168, 1622710, 1784981, 3245420, 3569962, 6490840, 7139924, 8924905, 14279848, 17849810, 35699620, 71399240]

約数ペア:

[(1, 71399240), (2, 35699620), (4, 17849810), (5, 14279848), (8, 8924905), (10, 7139924), (11, 6490840), (20, 3569962), (22, 3245420), (40, 1784981), (44, 1622710), (55, 1298168), (88, 811355), (110, 649084), (220, 324542), (263, 271480), (440, 162271), (526, 135740), (617, 115720), (1052, 67870), (1234, 57860), (1315, 54296), (2104, 33935), (2468, 28930), (2630, 27148), (2893, 24680), (3085, 23144), (4936, 14465), (5260, 13574), (5786, 12340), (6170, 11572), (6787, 10520)]