78728300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{16067}}^1$

素因数の和:16095

約数の個数: 54

約数和(自身を含む): 198745092

約数和(自身を除く): 120016792

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 16067, 32134, 64268, 80335, 112469, 160670, 224938, 321340, 401675, 449876, 562345, 787283, 803350, 1124690, 1574566, 1606700, 2249380, 2811725, 3149132, 3936415, 5623450, 7872830, 11246900, 15745660, 19682075, 39364150, 78728300]

約数ペア:

[(1, 78728300), (2, 39364150), (4, 19682075), (5, 15745660), (7, 11246900), (10, 7872830), (14, 5623450), (20, 3936415), (25, 3149132), (28, 2811725), (35, 2249380), (49, 1606700), (50, 1574566), (70, 1124690), (98, 803350), (100, 787283), (140, 562345), (175, 449876), (196, 401675), (245, 321340), (350, 224938), (490, 160670), (700, 112469), (980, 80335), (1225, 64268), (2450, 32134), (4900, 16067)]