208045915

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 354585600

約数和(自身を除く): 146539685

約数列:

[1, 5, 7, 11, 17, 19, 35, 49, 55, 77, 85, 95, 119, 133, 187, 209, 239, 245, 323, 385, 539, 595, 665, 833, 931, 935, 1045, 1195, 1309, 1463, 1615, 1673, 2261, 2629, 2695, 3553, 4063, 4165, 4541, 4655, 6545, 7315, 8365, 9163, 10241, 11305, 11711, 13145, 15827, 17765, 18403, 20315, 22705, 24871, 28441, 31787, 44693, 45815, 49951, 51205, 58555, 77197, 79135, 92015, 124355, 128821, 142205, 158935, 174097, 199087, 222509, 223465, 249755, 312851, 349657, 385985, 540379, 644105, 849167, 870485, 995435, 1112545, 1564255, 1748285, 2189957, 2447599, 2701895, 3782653, 4245835, 5944169, 10949785, 12237995, 18913265, 29720845, 41609183, 208045915]

約数ペア:

[(1, 208045915), (5, 41609183), (7, 29720845), (11, 18913265), (17, 12237995), (19, 10949785), (35, 5944169), (49, 4245835), (55, 3782653), (77, 2701895), (85, 2447599), (95, 2189957), (119, 1748285), (133, 1564255), (187, 1112545), (209, 995435), (239, 870485), (245, 849167), (323, 644105), (385, 540379), (539, 385985), (595, 349657), (665, 312851), (833, 249755), (931, 223465), (935, 222509), (1045, 199087), (1195, 174097), (1309, 158935), (1463, 142205), (1615, 128821), (1673, 124355), (2261, 92015), (2629, 79135), (2695, 77197), (3553, 58555), (4063, 51205), (4165, 49951), (4541, 45815), (4655, 44693), (6545, 31787), (7315, 28441), (8365, 24871), (9163, 22705), (10241, 20315), (11305, 18403), (11711, 17765), (13145, 15827)]