78003800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{55717}}^1$

素因数の和:55740

約数の個数: 48

約数和(自身を含む): 207270960

約数和(自身を除く): 129267160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 55717, 111434, 222868, 278585, 390019, 445736, 557170, 780038, 1114340, 1392925, 1560076, 1950095, 2228680, 2785850, 3120152, 3900190, 5571700, 7800380, 9750475, 11143400, 15600760, 19500950, 39001900, 78003800]

約数ペア:

[(1, 78003800), (2, 39001900), (4, 19500950), (5, 15600760), (7, 11143400), (8, 9750475), (10, 7800380), (14, 5571700), (20, 3900190), (25, 3120152), (28, 2785850), (35, 2228680), (40, 1950095), (50, 1560076), (56, 1392925), (70, 1114340), (100, 780038), (140, 557170), (175, 445736), (200, 390019), (280, 278585), (350, 222868), (700, 111434), (1400, 55717)]