81490850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1483}}^1$

素因数の和:1659

約数の個数: 48

約数和(自身を含む): 174447168

約数和(自身を除く): 92956318

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 157, 175, 314, 350, 785, 1099, 1483, 1570, 2198, 2966, 3925, 5495, 7415, 7850, 10381, 10990, 14830, 20762, 27475, 37075, 51905, 54950, 74150, 103810, 232831, 259525, 465662, 519050, 1164155, 1629817, 2328310, 3259634, 5820775, 8149085, 11641550, 16298170, 40745425, 81490850]

約数ペア:

[(1, 81490850), (2, 40745425), (5, 16298170), (7, 11641550), (10, 8149085), (14, 5820775), (25, 3259634), (35, 2328310), (50, 1629817), (70, 1164155), (157, 519050), (175, 465662), (314, 259525), (350, 232831), (785, 103810), (1099, 74150), (1483, 54950), (1570, 51905), (2198, 37075), (2966, 27475), (3925, 20762), (5495, 14830), (7415, 10990), (7850, 10381)]