77678260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4973}}^1$

素因数の和:5064

約数の個数: 48

約数和(自身を含む): 180496512

約数和(自身を除く): 102818252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 710, 781, 1420, 1562, 3124, 3905, 4973, 7810, 9946, 15620, 19892, 24865, 49730, 54703, 99460, 109406, 218812, 273515, 353083, 547030, 706166, 1094060, 1412332, 1765415, 3530830, 3883913, 7061660, 7767826, 15535652, 19419565, 38839130, 77678260]

約数ペア:

[(1, 77678260), (2, 38839130), (4, 19419565), (5, 15535652), (10, 7767826), (11, 7061660), (20, 3883913), (22, 3530830), (44, 1765415), (55, 1412332), (71, 1094060), (110, 706166), (142, 547030), (220, 353083), (284, 273515), (355, 218812), (710, 109406), (781, 99460), (1420, 54703), (1562, 49730), (3124, 24865), (3905, 19892), (4973, 15620), (7810, 9946)]