268808780

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^2\times {\mathrm{1951}}^1$

素因数の和:2126

約数の個数: 36

約数和(自身を含む): 571674432

約数和(自身を除く): 302865652

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 1951, 3902, 6889, 7804, 9755, 13778, 19510, 27556, 34445, 39020, 68890, 137780, 161933, 323866, 647732, 809665, 1619330, 3238660, 13440439, 26880878, 53761756, 67202195, 134404390, 268808780]

約数ペア:

[(1, 268808780), (2, 134404390), (4, 67202195), (5, 53761756), (10, 26880878), (20, 13440439), (83, 3238660), (166, 1619330), (332, 809665), (415, 647732), (830, 323866), (1660, 161933), (1951, 137780), (3902, 68890), (6889, 39020), (7804, 34445), (9755, 27556), (13778, 19510)]