47851930

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{1993}}^1$

素因数の和:2028

約数の個数: 40

約数和(自身を含む): 100533492

約数和(自身を除く): 52681562

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 1993, 2401, 3430, 3986, 4802, 9965, 12005, 13951, 19930, 24010, 27902, 69755, 97657, 139510, 195314, 488285, 683599, 976570, 1367198, 3417995, 4785193, 6835990, 9570386, 23925965, 47851930]

約数ペア:

[(1, 47851930), (2, 23925965), (5, 9570386), (7, 6835990), (10, 4785193), (14, 3417995), (35, 1367198), (49, 976570), (70, 683599), (98, 488285), (245, 195314), (343, 139510), (490, 97657), (686, 69755), (1715, 27902), (1993, 24010), (2401, 19930), (3430, 13951), (3986, 12005), (4802, 9965)]