42156940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{17713}}^1$

素因数の和:17746

約数の個数: 48

約数和(自身を含む): 107134272

約数和(自身を除く): 64977332

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 17713, 35426, 70852, 88565, 123991, 177130, 247982, 301121, 354260, 495964, 602242, 619955, 1204484, 1239910, 1505605, 2107847, 2479820, 3011210, 4215694, 6022420, 8431388, 10539235, 21078470, 42156940]

約数ペア:

[(1, 42156940), (2, 21078470), (4, 10539235), (5, 8431388), (7, 6022420), (10, 4215694), (14, 3011210), (17, 2479820), (20, 2107847), (28, 1505605), (34, 1239910), (35, 1204484), (68, 619955), (70, 602242), (85, 495964), (119, 354260), (140, 301121), (170, 247982), (238, 177130), (340, 123991), (476, 88565), (595, 70852), (1190, 35426), (2380, 17713)]