160111420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{821}}^1$

素因数の和:1043

約数の個数: 72

約数和(自身を含む): 393573600

約数和(自身を除く): 233462180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 199, 245, 398, 490, 796, 821, 980, 995, 1393, 1642, 1990, 2786, 3284, 3980, 4105, 5572, 5747, 6965, 8210, 9751, 11494, 13930, 16420, 19502, 22988, 27860, 28735, 39004, 40229, 48755, 57470, 80458, 97510, 114940, 160916, 163379, 195020, 201145, 326758, 402290, 653516, 804580, 816895, 1143653, 1633790, 2287306, 3267580, 4574612, 5718265, 8005571, 11436530, 16011142, 22873060, 32022284, 40027855, 80055710, 160111420]

約数ペア:

[(1, 160111420), (2, 80055710), (4, 40027855), (5, 32022284), (7, 22873060), (10, 16011142), (14, 11436530), (20, 8005571), (28, 5718265), (35, 4574612), (49, 3267580), (70, 2287306), (98, 1633790), (140, 1143653), (196, 816895), (199, 804580), (245, 653516), (398, 402290), (490, 326758), (796, 201145), (821, 195020), (980, 163379), (995, 160916), (1393, 114940), (1642, 97510), (1990, 80458), (2786, 57470), (3284, 48755), (3980, 40229), (4105, 39004), (5572, 28735), (5747, 27860), (6965, 22988), (8210, 19502), (9751, 16420), (11494, 13930)]