137472440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{70139}}^1$

素因数の和:70164

約数の個数: 48

約数和(自身を含む): 359818200

約数和(自身を除く): 222345760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 70139, 140278, 280556, 350695, 490973, 561112, 701390, 981946, 1402780, 1963892, 2454865, 2805560, 3436811, 3927784, 4909730, 6873622, 9819460, 13747244, 17184055, 19638920, 27494488, 34368110, 68736220, 137472440]

約数ペア:

[(1, 137472440), (2, 68736220), (4, 34368110), (5, 27494488), (7, 19638920), (8, 17184055), (10, 13747244), (14, 9819460), (20, 6873622), (28, 4909730), (35, 3927784), (40, 3436811), (49, 2805560), (56, 2454865), (70, 1963892), (98, 1402780), (140, 981946), (196, 701390), (245, 561112), (280, 490973), (392, 350695), (490, 280556), (980, 140278), (1960, 70139)]