263711220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{11071}}^1$

素因数の和:11480

約数の個数: 48

約数和(自身を含む): 740318208

約数和(自身を除く): 476606988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 397, 794, 1191, 1588, 1985, 2382, 3970, 4764, 5955, 7940, 11071, 11910, 22142, 23820, 33213, 44284, 55355, 66426, 110710, 132852, 166065, 221420, 332130, 664260, 4395187, 8790374, 13185561, 17580748, 21975935, 26371122, 43951870, 52742244, 65927805, 87903740, 131855610, 263711220]

約数ペア:

[(1, 263711220), (2, 131855610), (3, 87903740), (4, 65927805), (5, 52742244), (6, 43951870), (10, 26371122), (12, 21975935), (15, 17580748), (20, 13185561), (30, 8790374), (60, 4395187), (397, 664260), (794, 332130), (1191, 221420), (1588, 166065), (1985, 132852), (2382, 110710), (3970, 66426), (4764, 55355), (5955, 44284), (7940, 33213), (11071, 23820), (11910, 22142)]