139218320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{91591}}^1$

素因数の和:91623

約数の個数: 40

約数和(自身を含む): 340722240

約数和(自身を除く): 201503920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 91591, 183182, 366364, 457955, 732728, 915910, 1465456, 1740229, 1831820, 3480458, 3663640, 6960916, 7327280, 8701145, 13921832, 17402290, 27843664, 34804580, 69609160, 139218320]

約数ペア:

[(1, 139218320), (2, 69609160), (4, 34804580), (5, 27843664), (8, 17402290), (10, 13921832), (16, 8701145), (19, 7327280), (20, 6960916), (38, 3663640), (40, 3480458), (76, 1831820), (80, 1740229), (95, 1465456), (152, 915910), (190, 732728), (304, 457955), (380, 366364), (760, 183182), (1520, 91591)]