121256380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{123731}}^1$

素因数の和:123754

約数の個数: 36

約数和(自身を含む): 296214408

約数和(自身を除く): 174958028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 123731, 247462, 494924, 618655, 866117, 1237310, 1732234, 2474620, 3464468, 4330585, 6062819, 8661170, 12125638, 17322340, 24251276, 30314095, 60628190, 121256380]

約数ペア:

[(1, 121256380), (2, 60628190), (4, 30314095), (5, 24251276), (7, 17322340), (10, 12125638), (14, 8661170), (20, 6062819), (28, 4330585), (35, 3464468), (49, 2474620), (70, 1732234), (98, 1237310), (140, 866117), (196, 618655), (245, 494924), (490, 247462), (980, 123731)]