65619820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{66959}}^1$

素因数の和:66982

約数の個数: 36

約数和(自身を含む): 160302240

約数和(自身を除く): 94682420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 66959, 133918, 267836, 334795, 468713, 669590, 937426, 1339180, 1874852, 2343565, 3280991, 4687130, 6561982, 9374260, 13123964, 16404955, 32809910, 65619820]

約数ペア:

[(1, 65619820), (2, 32809910), (4, 16404955), (5, 13123964), (7, 9374260), (10, 6561982), (14, 4687130), (20, 3280991), (28, 2343565), (35, 1874852), (49, 1339180), (70, 937426), (98, 669590), (140, 468713), (196, 334795), (245, 267836), (490, 133918), (980, 66959)]