198160880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{130369}}^1$

素因数の和:130401

約数の個数: 40

約数和(自身を含む): 484976400

約数和(自身を除く): 286815520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 130369, 260738, 521476, 651845, 1042952, 1303690, 2085904, 2477011, 2607380, 4954022, 5214760, 9908044, 10429520, 12385055, 19816088, 24770110, 39632176, 49540220, 99080440, 198160880]

約数ペア:

[(1, 198160880), (2, 99080440), (4, 49540220), (5, 39632176), (8, 24770110), (10, 19816088), (16, 12385055), (19, 10429520), (20, 9908044), (38, 5214760), (40, 4954022), (76, 2607380), (80, 2477011), (95, 2085904), (152, 1303690), (190, 1042952), (304, 651845), (380, 521476), (760, 260738), (1520, 130369)]