207650860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{569}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 444709440

約数和(自身を除く): 237058580

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 257, 284, 355, 514, 569, 710, 1028, 1138, 1285, 1420, 2276, 2570, 2845, 5140, 5690, 11380, 18247, 36494, 40399, 72988, 80798, 91235, 146233, 161596, 182470, 201995, 292466, 364940, 403990, 584932, 731165, 807980, 1462330, 2924660, 10382543, 20765086, 41530172, 51912715, 103825430, 207650860]

約数ペア:

[(1, 207650860), (2, 103825430), (4, 51912715), (5, 41530172), (10, 20765086), (20, 10382543), (71, 2924660), (142, 1462330), (257, 807980), (284, 731165), (355, 584932), (514, 403990), (569, 364940), (710, 292466), (1028, 201995), (1138, 182470), (1285, 161596), (1420, 146233), (2276, 91235), (2570, 80798), (2845, 72988), (5140, 40399), (5690, 36494), (11380, 18247)]