245799580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{49757}}^1$

素因数の和:49798

約数の個数: 48

約数和(自身を含む): 585154080

約数和(自身を除く): 339354500

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 49757, 99514, 199028, 248785, 497570, 646841, 945383, 995140, 1293682, 1890766, 2587364, 3234205, 3781532, 4726915, 6468410, 9453830, 12289979, 12936820, 18907660, 24579958, 49159916, 61449895, 122899790, 245799580]

約数ペア:

[(1, 245799580), (2, 122899790), (4, 61449895), (5, 49159916), (10, 24579958), (13, 18907660), (19, 12936820), (20, 12289979), (26, 9453830), (38, 6468410), (52, 4726915), (65, 3781532), (76, 3234205), (95, 2587364), (130, 1890766), (190, 1293682), (247, 995140), (260, 945383), (380, 646841), (494, 497570), (988, 248785), (1235, 199028), (2470, 99514), (4940, 49757)]