88768820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{971}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 213591168

約数和(自身を除く): 124822348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 653, 971, 1306, 1942, 2612, 3265, 3884, 4571, 4855, 6530, 6797, 9142, 9710, 13060, 13594, 18284, 19420, 22855, 27188, 33985, 45710, 67970, 91420, 135940, 634063, 1268126, 2536252, 3170315, 4438441, 6340630, 8876882, 12681260, 17753764, 22192205, 44384410, 88768820]

約数ペア:

[(1, 88768820), (2, 44384410), (4, 22192205), (5, 17753764), (7, 12681260), (10, 8876882), (14, 6340630), (20, 4438441), (28, 3170315), (35, 2536252), (70, 1268126), (140, 634063), (653, 135940), (971, 91420), (1306, 67970), (1942, 45710), (2612, 33985), (3265, 27188), (3884, 22855), (4571, 19420), (4855, 18284), (6530, 13594), (6797, 13060), (9142, 9710)]