189749840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{338839}}^1$

素因数の和:338859

約数の個数: 40

約数和(自身を含む): 504193920

約数和(自身を除く): 314444080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 338839, 677678, 1355356, 1694195, 2371873, 2710712, 3388390, 4743746, 5421424, 6776780, 9487492, 11859365, 13553560, 18974984, 23718730, 27107120, 37949968, 47437460, 94874920, 189749840]

約数ペア:

[(1, 189749840), (2, 94874920), (4, 47437460), (5, 37949968), (7, 27107120), (8, 23718730), (10, 18974984), (14, 13553560), (16, 11859365), (20, 9487492), (28, 6776780), (35, 5421424), (40, 4743746), (56, 3388390), (70, 2710712), (80, 2371873), (112, 1694195), (140, 1355356), (280, 677678), (560, 338839)]