280520070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{67271}}^1$

素因数の和:67420

約数の個数: 32

約数和(自身を含む): 678101760

約数和(自身を除く): 397581690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 67271, 134542, 201813, 336355, 403626, 672710, 1009065, 2018130, 9350669, 18701338, 28052007, 46753345, 56104014, 93506690, 140260035, 280520070]

約数ペア:

[(1, 280520070), (2, 140260035), (3, 93506690), (5, 56104014), (6, 46753345), (10, 28052007), (15, 18701338), (30, 9350669), (139, 2018130), (278, 1009065), (417, 672710), (695, 403626), (834, 336355), (1390, 201813), (2085, 134542), (4170, 67271)]