23177980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 57628368

約数和(自身を除く): 34450388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 353, 469, 490, 670, 706, 938, 980, 1340, 1412, 1765, 1876, 2345, 2471, 3283, 3530, 4690, 4942, 6566, 7060, 9380, 9884, 12355, 13132, 16415, 17297, 23651, 24710, 32830, 34594, 47302, 49420, 65660, 69188, 86485, 94604, 118255, 165557, 172970, 236510, 331114, 345940, 473020, 662228, 827785, 1158899, 1655570, 2317798, 3311140, 4635596, 5794495, 11588990, 23177980]

約数ペア:

[(1, 23177980), (2, 11588990), (4, 5794495), (5, 4635596), (7, 3311140), (10, 2317798), (14, 1655570), (20, 1158899), (28, 827785), (35, 662228), (49, 473020), (67, 345940), (70, 331114), (98, 236510), (134, 172970), (140, 165557), (196, 118255), (245, 94604), (268, 86485), (335, 69188), (353, 65660), (469, 49420), (490, 47302), (670, 34594), (706, 32830), (938, 24710), (980, 23651), (1340, 17297), (1412, 16415), (1765, 13132), (1876, 12355), (2345, 9884), (2471, 9380), (3283, 7060), (3530, 6566), (4690, 4942)]