2120140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 5080320

約数和(自身を除く): 2960180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 419, 460, 506, 838, 1012, 1265, 1676, 2095, 2530, 4190, 4609, 5060, 8380, 9218, 9637, 18436, 19274, 23045, 38548, 46090, 48185, 92180, 96370, 106007, 192740, 212014, 424028, 530035, 1060070, 2120140]

約数ペア:

[(1, 2120140), (2, 1060070), (4, 530035), (5, 424028), (10, 212014), (11, 192740), (20, 106007), (22, 96370), (23, 92180), (44, 48185), (46, 46090), (55, 38548), (92, 23045), (110, 19274), (115, 18436), (220, 9637), (230, 9218), (253, 8380), (419, 5060), (460, 4609), (506, 4190), (838, 2530), (1012, 2095), (1265, 1676)]