165728860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{68483}}^1$

素因数の和:68514

約数の個数: 36

約数和(自身を含む): 382551624

約数和(自身を除く): 216822764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 68483, 136966, 273932, 342415, 684830, 753313, 1369660, 1506626, 3013252, 3766565, 7533130, 8286443, 15066260, 16572886, 33145772, 41432215, 82864430, 165728860]

約数ペア:

[(1, 165728860), (2, 82864430), (4, 41432215), (5, 33145772), (10, 16572886), (11, 15066260), (20, 8286443), (22, 7533130), (44, 3766565), (55, 3013252), (110, 1506626), (121, 1369660), (220, 753313), (242, 684830), (484, 342415), (605, 273932), (1210, 136966), (2420, 68483)]