2017819821880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1777}}^1\times {\mathrm{1669883}}^1$

素因数の和:1671688

約数の個数: 64

約数和(自身を含む): 4809867078240

約数和(自身を除く): 2792047256360

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1777, 3554, 7108, 8885, 14216, 17770, 30209, 35540, 60418, 71080, 120836, 151045, 241672, 302090, 604180, 1208360, 1669883, 3339766, 6679532, 8349415, 13359064, 16698830, 28388011, 33397660, 56776022, 66795320, 113552044, 141940055, 227104088, 283880110, 567760220, 1135520440, 2967382091, 5934764182, 11869528364, 14836910455, 23739056728, 29673820910, 50445495547, 59347641820, 100890991094, 118695283640, 201781982188, 252227477735, 403563964376, 504454955470, 1008909910940, 2017819821880]

約数ペア:

[(1, 2017819821880), (2, 1008909910940), (4, 504454955470), (5, 403563964376), (8, 252227477735), (10, 201781982188), (17, 118695283640), (20, 100890991094), (34, 59347641820), (40, 50445495547), (68, 29673820910), (85, 23739056728), (136, 14836910455), (170, 11869528364), (340, 5934764182), (680, 2967382091), (1777, 1135520440), (3554, 567760220), (7108, 283880110), (8885, 227104088), (14216, 141940055), (17770, 113552044), (30209, 66795320), (35540, 56776022), (60418, 33397660), (71080, 28388011), (120836, 16698830), (151045, 13359064), (241672, 8349415), (302090, 6679532), (604180, 3339766), (1208360, 1669883)]