623990990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{9721}}^1$

素因数の和:9873

約数の個数: 48

約数和(自身を含む): 1316669904

約数和(自身を除く): 692678914

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 131, 245, 262, 490, 655, 917, 1310, 1834, 4585, 6419, 9170, 9721, 12838, 19442, 32095, 48605, 64190, 68047, 97210, 136094, 340235, 476329, 680470, 952658, 1273451, 2381645, 2546902, 4763290, 6367255, 8914157, 12734510, 17828314, 44570785, 62399099, 89141570, 124798198, 311995495, 623990990]

約数ペア:

[(1, 623990990), (2, 311995495), (5, 124798198), (7, 89141570), (10, 62399099), (14, 44570785), (35, 17828314), (49, 12734510), (70, 8914157), (98, 6367255), (131, 4763290), (245, 2546902), (262, 2381645), (490, 1273451), (655, 952658), (917, 680470), (1310, 476329), (1834, 340235), (4585, 136094), (6419, 97210), (9170, 68047), (9721, 64190), (12838, 48605), (19442, 32095)]