30256940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12713}}^1$

素因数の和:12746

約数の個数: 48

約数和(自身を含む): 76894272

約数和(自身を除く): 46637332

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, 12713, 25426, 50852, 63565, 88991, 127130, 177982, 216121, 254260, 355964, 432242, 444955, 864484, 889910, 1080605, 1512847, 1779820, 2161210, 3025694, 4322420, 6051388, 7564235, 15128470, 30256940]

約数ペア:

[(1, 30256940), (2, 15128470), (4, 7564235), (5, 6051388), (7, 4322420), (10, 3025694), (14, 2161210), (17, 1779820), (20, 1512847), (28, 1080605), (34, 889910), (35, 864484), (68, 444955), (70, 432242), (85, 355964), (119, 254260), (140, 216121), (170, 177982), (238, 127130), (340, 88991), (476, 63565), (595, 50852), (1190, 25426), (2380, 12713)]