51260860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2753}}^1$

素因数の和:2795

約数の個数: 72

約数和(自身を含む): 131861520

約数和(自身を除く): 80600660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 2753, 3724, 4655, 5506, 9310, 11012, 13765, 18620, 19271, 27530, 38542, 52307, 55060, 77084, 96355, 104614, 134897, 192710, 209228, 261535, 269794, 366149, 385420, 523070, 539588, 674485, 732298, 1046140, 1348970, 1464596, 1830745, 2563043, 2697940, 3661490, 5126086, 7322980, 10252172, 12815215, 25630430, 51260860]

約数ペア:

[(1, 51260860), (2, 25630430), (4, 12815215), (5, 10252172), (7, 7322980), (10, 5126086), (14, 3661490), (19, 2697940), (20, 2563043), (28, 1830745), (35, 1464596), (38, 1348970), (49, 1046140), (70, 732298), (76, 674485), (95, 539588), (98, 523070), (133, 385420), (140, 366149), (190, 269794), (196, 261535), (245, 209228), (266, 192710), (380, 134897), (490, 104614), (532, 96355), (665, 77084), (931, 55060), (980, 52307), (1330, 38542), (1862, 27530), (2660, 19271), (2753, 18620), (3724, 13765), (4655, 11012), (5506, 9310)]