289553660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{2971}}^1$

素因数の和:3434

約数の個数: 48

約数和(自身を含む): 665062272

約数和(自身を除く): 375508612

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 443, 886, 1772, 2215, 2971, 4430, 4873, 5942, 8860, 9746, 11884, 14855, 19492, 24365, 29710, 32681, 48730, 59420, 65362, 97460, 130724, 163405, 326810, 653620, 1316153, 2632306, 5264612, 6580765, 13161530, 14477683, 26323060, 28955366, 57910732, 72388415, 144776830, 289553660]

約数ペア:

[(1, 289553660), (2, 144776830), (4, 72388415), (5, 57910732), (10, 28955366), (11, 26323060), (20, 14477683), (22, 13161530), (44, 6580765), (55, 5264612), (110, 2632306), (220, 1316153), (443, 653620), (886, 326810), (1772, 163405), (2215, 130724), (2971, 97460), (4430, 65362), (4873, 59420), (5942, 48730), (8860, 32681), (9746, 29710), (11884, 24365), (14855, 19492)]