86809240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{797}}^1$

素因数の和:1204

約数の個数: 64

約数和(自身を含む): 224078400

約数和(自身を除く): 137269160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 389, 778, 797, 1556, 1594, 1945, 2723, 3112, 3188, 3890, 3985, 5446, 5579, 6376, 7780, 7970, 10892, 11158, 13615, 15560, 15940, 21784, 22316, 27230, 27895, 31880, 44632, 54460, 55790, 108920, 111580, 223160, 310033, 620066, 1240132, 1550165, 2170231, 2480264, 3100330, 4340462, 6200660, 8680924, 10851155, 12401320, 17361848, 21702310, 43404620, 86809240]

約数ペア:

[(1, 86809240), (2, 43404620), (4, 21702310), (5, 17361848), (7, 12401320), (8, 10851155), (10, 8680924), (14, 6200660), (20, 4340462), (28, 3100330), (35, 2480264), (40, 2170231), (56, 1550165), (70, 1240132), (140, 620066), (280, 310033), (389, 223160), (778, 111580), (797, 108920), (1556, 55790), (1594, 54460), (1945, 44632), (2723, 31880), (3112, 27895), (3188, 27230), (3890, 22316), (3985, 21784), (5446, 15940), (5579, 15560), (6376, 13615), (7780, 11158), (7970, 10892)]