980817829820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{641}}^1\times {\mathrm{32377}}^1$

素因数の和:33183

約数の個数: 96

約数和(自身を含む): 2200061787840

約数和(自身を除く): 1219243958020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 139, 170, 278, 340, 556, 641, 695, 1282, 1390, 2363, 2564, 2780, 3205, 4726, 6410, 9452, 10897, 11815, 12820, 21794, 23630, 32377, 43588, 47260, 54485, 64754, 89099, 108970, 129508, 161885, 178198, 217940, 323770, 356396, 445495, 550409, 647540, 890990, 1100818, 1514683, 1781980, 2201636, 2752045, 3029366, 4500403, 5504090, 6058732, 7573415, 9000806, 11008180, 15146830, 18001612, 20753657, 22502015, 30293660, 41507314, 45004030, 76506851, 83014628, 90008060, 103768285, 153013702, 207536570, 306027404, 352812169, 382534255, 415073140, 705624338, 765068510, 1411248676, 1530137020, 1764060845, 2884758323, 3528121690, 5769516646, 7056243380, 11539033292, 14423791615, 28847583230, 49040891491, 57695166460, 98081782982, 196163565964, 245204457455, 490408914910, 980817829820]

約数ペア:

[(1, 980817829820), (2, 490408914910), (4, 245204457455), (5, 196163565964), (10, 98081782982), (17, 57695166460), (20, 49040891491), (34, 28847583230), (68, 14423791615), (85, 11539033292), (139, 7056243380), (170, 5769516646), (278, 3528121690), (340, 2884758323), (556, 1764060845), (641, 1530137020), (695, 1411248676), (1282, 765068510), (1390, 705624338), (2363, 415073140), (2564, 382534255), (2780, 352812169), (3205, 306027404), (4726, 207536570), (6410, 153013702), (9452, 103768285), (10897, 90008060), (11815, 83014628), (12820, 76506851), (21794, 45004030), (23630, 41507314), (32377, 30293660), (43588, 22502015), (47260, 20753657), (54485, 18001612), (64754, 15146830), (89099, 11008180), (108970, 9000806), (129508, 7573415), (161885, 6058732), (178198, 5504090), (217940, 4500403), (323770, 3029366), (356396, 2752045), (445495, 2201636), (550409, 1781980), (647540, 1514683), (890990, 1100818)]