198168575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 314979840

約数和(自身を除く): 116811265

約数列:

[1, 5, 11, 17, 19, 23, 25, 55, 85, 95, 97, 115, 187, 209, 253, 275, 323, 391, 425, 437, 475, 485, 575, 935, 1045, 1067, 1265, 1615, 1649, 1843, 1955, 2185, 2231, 2425, 3553, 4301, 4675, 4807, 5225, 5335, 6325, 7429, 8075, 8245, 9215, 9775, 10925, 11155, 17765, 18139, 20273, 21505, 24035, 24541, 26675, 31331, 37145, 37927, 41225, 42389, 46075, 55775, 81719, 88825, 90695, 101365, 107525, 120175, 122705, 156655, 185725, 189635, 211945, 344641, 408595, 417197, 453475, 466279, 506825, 613525, 720613, 783275, 948175, 1059725, 1723205, 2042975, 2085985, 2331395, 3603065, 7926743, 8616025, 10429925, 11656975, 18015325, 39633715, 198168575]

約数ペア:

[(1, 198168575), (5, 39633715), (11, 18015325), (17, 11656975), (19, 10429925), (23, 8616025), (25, 7926743), (55, 3603065), (85, 2331395), (95, 2085985), (97, 2042975), (115, 1723205), (187, 1059725), (209, 948175), (253, 783275), (275, 720613), (323, 613525), (391, 506825), (425, 466279), (437, 453475), (475, 417197), (485, 408595), (575, 344641), (935, 211945), (1045, 189635), (1067, 185725), (1265, 156655), (1615, 122705), (1649, 120175), (1843, 107525), (1955, 101365), (2185, 90695), (2231, 88825), (2425, 81719), (3553, 55775), (4301, 46075), (4675, 42389), (4807, 41225), (5225, 37927), (5335, 37145), (6325, 31331), (7429, 26675), (8075, 24541), (8245, 24035), (9215, 21505), (9775, 20273), (10925, 18139), (11155, 17765)]