77699020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{17903}}^1$

素因数の和:17950

約数の個数: 48

約数和(自身を含む): 192503808

約数和(自身を除く): 114804788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 17903, 35806, 71612, 89515, 125321, 179030, 250642, 358060, 501284, 554993, 626605, 1109986, 1253210, 2219972, 2506420, 2774965, 3884951, 5549930, 7769902, 11099860, 15539804, 19424755, 38849510, 77699020]

約数ペア:

[(1, 77699020), (2, 38849510), (4, 19424755), (5, 15539804), (7, 11099860), (10, 7769902), (14, 5549930), (20, 3884951), (28, 2774965), (31, 2506420), (35, 2219972), (62, 1253210), (70, 1109986), (124, 626605), (140, 554993), (155, 501284), (217, 358060), (310, 250642), (434, 179030), (620, 125321), (868, 89515), (1085, 71612), (2170, 35806), (4340, 17903)]