64938020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 162570240

約数和(自身を除く): 97632220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 71, 94, 139, 140, 142, 188, 235, 278, 284, 329, 355, 470, 497, 556, 658, 695, 710, 940, 973, 994, 1316, 1390, 1420, 1645, 1946, 1988, 2485, 2780, 3290, 3337, 3892, 4865, 4970, 6533, 6580, 6674, 9730, 9869, 9940, 13066, 13348, 16685, 19460, 19738, 23359, 26132, 32665, 33370, 39476, 45731, 46718, 49345, 65330, 66740, 69083, 91462, 93436, 98690, 116795, 130660, 138166, 182924, 197380, 228655, 233590, 276332, 345415, 457310, 463843, 467180, 690830, 914620, 927686, 1381660, 1855372, 2319215, 3246901, 4638430, 6493802, 9276860, 12987604, 16234505, 32469010, 64938020]

約数ペア:

[(1, 64938020), (2, 32469010), (4, 16234505), (5, 12987604), (7, 9276860), (10, 6493802), (14, 4638430), (20, 3246901), (28, 2319215), (35, 1855372), (47, 1381660), (70, 927686), (71, 914620), (94, 690830), (139, 467180), (140, 463843), (142, 457310), (188, 345415), (235, 276332), (278, 233590), (284, 228655), (329, 197380), (355, 182924), (470, 138166), (497, 130660), (556, 116795), (658, 98690), (695, 93436), (710, 91462), (940, 69083), (973, 66740), (994, 65330), (1316, 49345), (1390, 46718), (1420, 45731), (1645, 39476), (1946, 33370), (1988, 32665), (2485, 26132), (2780, 23359), (3290, 19738), (3337, 19460), (3892, 16685), (4865, 13348), (4970, 13066), (6533, 9940), (6580, 9869), (6674, 9730)]