77897380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{32189}}^1$

素因数の和:32220

約数の個数: 36

約数和(自身を含む): 179813340

約数和(自身を除く): 101915960

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 32189, 64378, 128756, 160945, 321890, 354079, 643780, 708158, 1416316, 1770395, 3540790, 3894869, 7081580, 7789738, 15579476, 19474345, 38948690, 77897380]

約数ペア:

[(1, 77897380), (2, 38948690), (4, 19474345), (5, 15579476), (10, 7789738), (11, 7081580), (20, 3894869), (22, 3540790), (44, 1770395), (55, 1416316), (110, 708158), (121, 643780), (220, 354079), (242, 321890), (484, 160945), (605, 128756), (1210, 64378), (2420, 32189)]