285067720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{883}}^1\times {\mathrm{1153}}^1$

素因数の和:2054

約数の個数: 64

約数和(自身を含む): 734497920

約数和(自身を除く): 449430200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 883, 1153, 1766, 2306, 3532, 4415, 4612, 5765, 6181, 7064, 8071, 8830, 9224, 11530, 12362, 16142, 17660, 23060, 24724, 30905, 32284, 35320, 40355, 46120, 49448, 61810, 64568, 80710, 123620, 161420, 247240, 322840, 1018099, 2036198, 4072396, 5090495, 7126693, 8144792, 10180990, 14253386, 20361980, 28506772, 35633465, 40723960, 57013544, 71266930, 142533860, 285067720]

約数ペア:

[(1, 285067720), (2, 142533860), (4, 71266930), (5, 57013544), (7, 40723960), (8, 35633465), (10, 28506772), (14, 20361980), (20, 14253386), (28, 10180990), (35, 8144792), (40, 7126693), (56, 5090495), (70, 4072396), (140, 2036198), (280, 1018099), (883, 322840), (1153, 247240), (1766, 161420), (2306, 123620), (3532, 80710), (4415, 64568), (4612, 61810), (5765, 49448), (6181, 46120), (7064, 40355), (8071, 35320), (8830, 32284), (9224, 30905), (11530, 24724), (12362, 23060), (16142, 17660)]