11841380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 26127360

約数和(自身を除く): 14285980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 71, 124, 142, 155, 269, 284, 310, 355, 538, 620, 710, 1076, 1345, 1420, 2201, 2690, 4402, 5380, 8339, 8804, 11005, 16678, 19099, 22010, 33356, 38198, 41695, 44020, 76396, 83390, 95495, 166780, 190990, 381980, 592069, 1184138, 2368276, 2960345, 5920690, 11841380]

約数ペア:

[(1, 11841380), (2, 5920690), (4, 2960345), (5, 2368276), (10, 1184138), (20, 592069), (31, 381980), (62, 190990), (71, 166780), (124, 95495), (142, 83390), (155, 76396), (269, 44020), (284, 41695), (310, 38198), (355, 33356), (538, 22010), (620, 19099), (710, 16678), (1076, 11005), (1345, 8804), (1420, 8339), (2201, 5380), (2690, 4402)]