221501910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{7079}}^1$

素因数の和:7245

約数の個数: 64

約数和(自身を含む): 611712000

約数和(自身を除く): 390210090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 149, 210, 298, 447, 745, 894, 1043, 1490, 2086, 2235, 3129, 4470, 5215, 6258, 7079, 10430, 14158, 15645, 21237, 31290, 35395, 42474, 49553, 70790, 99106, 106185, 148659, 212370, 247765, 297318, 495530, 743295, 1054771, 1486590, 2109542, 3164313, 5273855, 6328626, 7383397, 10547710, 14766794, 15821565, 22150191, 31643130, 36916985, 44300382, 73833970, 110750955, 221501910]

約数ペア:

[(1, 221501910), (2, 110750955), (3, 73833970), (5, 44300382), (6, 36916985), (7, 31643130), (10, 22150191), (14, 15821565), (15, 14766794), (21, 10547710), (30, 7383397), (35, 6328626), (42, 5273855), (70, 3164313), (105, 2109542), (149, 1486590), (210, 1054771), (298, 743295), (447, 495530), (745, 297318), (894, 247765), (1043, 212370), (1490, 148659), (2086, 106185), (2235, 99106), (3129, 70790), (4470, 49553), (5215, 42474), (6258, 35395), (7079, 31290), (10430, 21237), (14158, 15645)]