53968180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{971}}^1$

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 129983616

約数和(自身を除く): 76015436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 971, 1588, 1942, 1985, 2779, 3884, 3970, 4855, 5558, 6797, 7940, 9710, 11116, 13594, 13895, 19420, 27188, 27790, 33985, 55580, 67970, 135940, 385487, 770974, 1541948, 1927435, 2698409, 3854870, 5396818, 7709740, 10793636, 13492045, 26984090, 53968180]

約数ペア:

[(1, 53968180), (2, 26984090), (4, 13492045), (5, 10793636), (7, 7709740), (10, 5396818), (14, 3854870), (20, 2698409), (28, 1927435), (35, 1541948), (70, 770974), (140, 385487), (397, 135940), (794, 67970), (971, 55580), (1588, 33985), (1942, 27790), (1985, 27188), (2779, 19420), (3884, 13895), (3970, 13594), (4855, 11116), (5558, 9710), (6797, 7940)]