239173870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{1459}}^1$

素因数の和:1589

約数の個数: 48

約数和(自身を含む): 471305520

約数和(自身を除く): 232131650

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 169, 194, 338, 485, 845, 970, 1261, 1459, 1690, 2522, 2918, 6305, 7295, 12610, 14590, 16393, 18967, 32786, 37934, 81965, 94835, 141523, 163930, 189670, 246571, 283046, 493142, 707615, 1232855, 1415230, 1839799, 2465710, 3679598, 9198995, 18397990, 23917387, 47834774, 119586935, 239173870]

約数ペア:

[(1, 239173870), (2, 119586935), (5, 47834774), (10, 23917387), (13, 18397990), (26, 9198995), (65, 3679598), (97, 2465710), (130, 1839799), (169, 1415230), (194, 1232855), (338, 707615), (485, 493142), (845, 283046), (970, 246571), (1261, 189670), (1459, 163930), (1690, 141523), (2522, 94835), (2918, 81965), (6305, 37934), (7295, 32786), (12610, 18967), (14590, 16393)]