57781780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{8423}}^1$

素因数の和:8453

約数の個数: 48

約数和(自身を含む): 141523200

約数和(自身を除く): 83741420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 8423, 16846, 33692, 42115, 58961, 84230, 117922, 168460, 235844, 294805, 412727, 589610, 825454, 1179220, 1650908, 2063635, 2889089, 4127270, 5778178, 8254540, 11556356, 14445445, 28890890, 57781780]

約数ペア:

[(1, 57781780), (2, 28890890), (4, 14445445), (5, 11556356), (7, 8254540), (10, 5778178), (14, 4127270), (20, 2889089), (28, 2063635), (35, 1650908), (49, 1179220), (70, 825454), (98, 589610), (140, 412727), (196, 294805), (245, 235844), (343, 168460), (490, 117922), (686, 84230), (980, 58961), (1372, 42115), (1715, 33692), (3430, 16846), (6860, 8423)]