209138370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{142271}}^1$

素因数の和:142295

約数の個数: 48

約数和(自身を含む): 583884288

約数和(自身を除く): 374745918

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 142271, 284542, 426813, 711355, 853626, 995897, 1422710, 1991794, 2134065, 2987691, 4268130, 4979485, 5975382, 6971279, 9958970, 13942558, 14938455, 20913837, 29876910, 34856395, 41827674, 69712790, 104569185, 209138370]

約数ペア:

[(1, 209138370), (2, 104569185), (3, 69712790), (5, 41827674), (6, 34856395), (7, 29876910), (10, 20913837), (14, 14938455), (15, 13942558), (21, 9958970), (30, 6971279), (35, 5975382), (42, 4979485), (49, 4268130), (70, 2987691), (98, 2134065), (105, 1991794), (147, 1422710), (210, 995897), (245, 853626), (294, 711355), (490, 426813), (735, 284542), (1470, 142271)]