289084810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31051}}^1$

素因数の和:31091

約数の個数: 48

約数和(自身を含む): 637187040

約数和(自身を除く): 348102230

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 4655, 9310, 31051, 62102, 155255, 217357, 310510, 434714, 589969, 1086785, 1179938, 1521499, 2173570, 2949845, 3042998, 4129783, 5899690, 7607495, 8259566, 15214990, 20648915, 28908481, 41297830, 57816962, 144542405, 289084810]

約数ペア:

[(1, 289084810), (2, 144542405), (5, 57816962), (7, 41297830), (10, 28908481), (14, 20648915), (19, 15214990), (35, 8259566), (38, 7607495), (49, 5899690), (70, 4129783), (95, 3042998), (98, 2949845), (133, 2173570), (190, 1521499), (245, 1179938), (266, 1086785), (490, 589969), (665, 434714), (931, 310510), (1330, 217357), (1862, 155255), (4655, 62102), (9310, 31051)]