148491440

素因数分解:

$2^4\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1873}}^1$

素因数の和:2877

約数の個数: 40

約数和(自身を含む): 345775488

約数和(自身を除く): 197284048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 991, 1873, 1982, 3746, 3964, 4955, 7492, 7928, 9365, 9910, 14984, 15856, 18730, 19820, 29968, 37460, 39640, 74920, 79280, 149840, 1856143, 3712286, 7424572, 9280715, 14849144, 18561430, 29698288, 37122860, 74245720, 148491440]

約数ペア:

[(1, 148491440), (2, 74245720), (4, 37122860), (5, 29698288), (8, 18561430), (10, 14849144), (16, 9280715), (20, 7424572), (40, 3712286), (80, 1856143), (991, 149840), (1873, 79280), (1982, 74920), (3746, 39640), (3964, 37460), (4955, 29968), (7492, 19820), (7928, 18730), (9365, 15856), (9910, 14984)]